From 05046725b7eb821010414fab304e77a344ad5256 Mon Sep 17 00:00:00 2001
From: chenyf <1343619937@qq.com>
Date: Tue, 27 Feb 2024 20:28:51 +0800
Subject: [PATCH] 1

---
 .vscode/settings.json        |   6 ++
 child_porcess_clean/clear.c  |  50 +++++++++++
 child_porcess_clean/run.sh   |   3 +
 child_porcess_clean/test.bin | Bin 0 -> 16248 bytes
 deamon/daemon.c              | 158 +++++++++++++++++++++++++++++++++++
 deamon/log.txt               |   0
 deamon/run.sh                |   7 ++
 deamon/test.bin              | Bin 0 -> 16888 bytes
 exec/app.bin                 | Bin 0 -> 15960 bytes
 exec/app.c                   |   6 ++
 exec/exec.c                  |  39 +++++++++
 exec/run.sh                  |   4 +
 exec/test.bin                | Bin 0 -> 16168 bytes
 13 files changed, 273 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 child_porcess_clean/clear.c
 create mode 100755 child_porcess_clean/run.sh
 create mode 100755 child_porcess_clean/test.bin
 create mode 100644 deamon/daemon.c
 create mode 100644 deamon/log.txt
 create mode 100755 deamon/run.sh
 create mode 100755 deamon/test.bin
 create mode 100755 exec/app.bin
 create mode 100644 exec/app.c
 create mode 100644 exec/exec.c
 create mode 100755 exec/run.sh
 create mode 100755 exec/test.bin

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..226bb33
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "wait.h": "c",
+        "stat.h": "c"
+    }
+}
\ No newline at end of file
diff --git a/child_porcess_clean/clear.c b/child_porcess_clean/clear.c
new file mode 100644
index 0000000..95e9324
--- /dev/null
+++ b/child_porcess_clean/clear.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+
+void process_clean()
+{
+    while (wait(NULL) != -1)
+    {
+        printf("child clean\n");
+    }
+
+    return 0;
+}
+int main(int argc, char *argv[])
+{
+    signal(SIGCHLD, process_clean);
+    for (int i = 0; i < 10; i++)
+    {
+        pid_t pid = fork();
+        if (pid == 0)
+        {
+            sleep(1);
+            exit(0);
+        }
+        else if (pid > 0)
+        {
+            int status;
+            // wait(&status);
+            // printf("Child %d exited with status %d\n", pid, status);
+        }
+        else
+        {
+            perror("fork");
+        }
+    }
+    int k = 5;
+    while (k--)
+    {
+        sleep(1);
+    }
+
+    return 0;
+}
\ No newline at end of file
diff --git a/child_porcess_clean/run.sh b/child_porcess_clean/run.sh
new file mode 100755
index 0000000..3160891
--- /dev/null
+++ b/child_porcess_clean/run.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+gcc -o test.bin clear.c
+./test.bin
\ No newline at end of file
diff --git a/child_porcess_clean/test.bin b/child_porcess_clean/test.bin
new file mode 100755
index 0000000000000000000000000000000000000000..c22791a6976d3538742efe2bdaf1e53b591e5926
GIT binary patch
literal 16248
zcmeHOe{2-T6`nH?Oak_iKw}_*gAx>)_^`oHNaAo{pE*b7N5QD+k92ePt?eu4JNIrc
z*ij))+_bg`tx=_vKO!}eDuGm_x<68ZDufXY5Q$VEwGybU<U~cXOWJ@#Dz{D8zPJ0n
zWp8uWv{j`3vm>p)dEdNmX7=su-mG`#xoAsMSs<X0rm4pjTcNo&6On@BpO*|lM6FkI
z=<gD>SlvPPbc?ggBQ{W}oi3LZV!80s2w7LfnId?fO)DUJ$jG`<sduJb0#rfUX59?V
zitWWK(oZ1Do%TX3rWCUNI=Gx2C;{C%j?G}TRjdZ<Jt*xB3qr>x>kf<Vu;_r-r9B|x
z$uZ$$y~NXtHB`n4=+$+J&Wnw<OaZwKPP?ueiT|a&9ipoWS=A^nK4#Mji1xlfI*!YK
znsAwSN_(ZQL$AaiDB)GBQpvV;b*oZ|>QpkF@2&1#zpi>+T{xEsueQ3t{R+{+V`|H`
z-HNIiWlqAV%KB{^^>NueDQEv<5B&1s3q6%@f8`H9Uz$1jQN{Ze={fAf{bmjOaN_zf
zMA+v1Y&zJ-j>q$qvpL2~`fs`!OC_%V?jnVIhzk|rR}xpue_09sJH&_R@TSL!C{|Cj
z1phMeAv(M%OhmDIHk9D&O7H>V`5Zo$G_Aciu5~2S@l^6zU1=H(gmx`w#IuIh9Z#lJ
zF4;+CswZ#cR4%3KJ*p#<-J|x#lZNWiv)N2m>AjR^9gmlFYD-J=<_2wbcy)NKlV4M(
zwC2{WT0+n2oynY`XIr;6q%vu}HQtuuW;?qxX=zroU5h&MhzQUqnO5+ZZ94_1{0Yk9
ze#kFO&f-zkD%>v)y-dTXOg(M8JI^UR9}w(ec@BXemEVW*h%E#U`|?Jc=P}B$MjCVR
z?r}Zt;;rYj2(G($w82GFE}riPq*sOKp8>>x%Z|EuzR!?GT)cfh*(Jway!@nC1*0yW
z0_mjlF8)r3RqCRPzstq@Sw8}P1pEm25%446N5GH3|0@FTS1$fXY~bDU*nt^WRw)&G
zanvX?FUAIbU4F*ulDYQlL{FLz>>;RJqS(KSOC~4YHcfNbvU!3xIdRFcd15y?aoVwY
zA~rekQ^)2B*yO}(j?ELk$%#Xb%@eW7iRWQc>szhX8<o{Q*;na3pmND=`;Q*`cOLsK
zkNt+nKIySvciXjpX&$=twb;-*v4KBb-_aVa9j$#ccCh{f>ZLjV`{a4EBV4)UTVzrI
z57wU`CU$Vf&lomL8S^Q$&v2eXJIfraT++{eX9UTA$nszN0>jE%v7zg+(|_F<J3Tcm
z7C0Nbbjz4W6-1?ia&xT1I&bJX{{8h_tnv@-jt$f=<7{l`sxdoupne4z<0o#J=6HgF
zd3MJAWCxxit<yg1C-zbyXLghBS|#=U&vUqrbK~D7=_&5+_-`pUFlFZ78Gh;vTxr~d
zhW5Q18_JK7=2uinZ0PJMelZx=$^BgPCQGk9I(~$#q3DML`#x0pd8c@^j2lkPU*?*r
z<T-A5pESId$>`0%z`mQa_MbWzo#G*K?M_>}o(c~{rw;BghjvfBIGUe0&h5Nu^~)N|
z&gf;{Pksda2>223Bj88CkANQmKLUOP{0R6F@FTzx;O|52UCC4;)SlAgY5Q9i^NXfE
z%HLr5RlNMVY4#8f5*{WzOgO^)4byy*@CM;|!uuxaMU#*df9vEFcy^}>^acZqX3s1i
zrZ+$4`J4Vxs$&H^G|sd>O)aNv9Ua5(nPxwsst7h!R6S97*WU7ewQ=DipIfus`dr8Q
zuhKD2e)y)v?#vr>j1kX$MdG$zqGKub@gXLo6~S+pHO#rAjXFdommj0!VJhcybIQxU
zXFD+GCqDvy1pEm25%446N5GGO9|1oCegymoe3}uEMU7Zjhc$D&c8`;@#!X&&=sTH}
zE{JY{*jQ)0NNj$`;k3{Og>`)V-opvyAKWrCY>&vIIjq48N(O7=E=xJqxQ(!g64tg=
z*`}H=2oRYXl=W~}`*&0v`2CF&*4o``o9d!83_d6}`aLRsSc`}D7Yh%+f139BQCuyG
zJ|SA?J0|BxA1^H%ai`Z)%N~{Tzl)9Ykm^4*!1``)g*9@$BZ4~wpBC&9>=zss^w#r9
zHr8!!X=r#P^x*EceA>u|YHP!F;hO5&yk*wzU%fh9Q@2v+e_tcVak{!;dcF8M1*qgD
z31mnd?jbDZ&)2bxR<G`m^`_#kLc;fZ_%*`gK7xNUWdd{;1S2+s>&&aH1L`x*ePNd>
z^-aofyIB7Ue$eut@2ryre}po{`d{k2eqz-#PlcAEhTB-Io|BgUy~;aI&RVj2oOSf5
z<%;EB<=k)J-=j>i_0zK{AR#!pFlO=ebcwh~%05VZv3fQTA5;sRI71a-|FXFX&nxgv
z;_t10SBd&Nhz~*R!aVVF%N8h%V-&r>Joi*Y)1}}L@pn^CXUR!e{~MyR9}*v=aZ(i#
zM}Zdc56O62A^eZTKj`rv5&t@=-}>JYX<oN@5xd}g3H}Q4d|uxAuM!_}>5(-{)H9bJ
zxY8B4TDXk(Wd)3F)U$sX{pxt0Ck-X)QM=l+Mr}AlE7#*~NzI6NDk5@5zM~`Du5Pb#
z*Nkqho!7bN$TN}AI#ZdpcuGqcnQTsr=X+Iqrn@Jl8+syKQ{02s<|nmyHXHBL^t6%f
zQytlOx2`4f-Q9g8aakI98U?QWPtGiLNYk2jZrU2vqT3oZT3+AyrEQzGHa8GW`!2L-
zOiE*oJC(MjW&7q$E!y^`rd`oit##ApmMAH_+X5n3<o^i^`+3`d<I5WYG(8bF;>tQJ
zs+J9V*}rTwD0KF03(yj|jMf!TCwR+1^L7#@l4&iU(-W#En`zf`ISMxaTbCl0pxWDr
zu(mQNYb%4jU7?@_-nvjgXc}!yK%98TLeXsq)<%c|9q)%IAPP5D6c+Jyvi|j4K&x=B
zuiJ>X5gJ(=yO2w!Y0E^93a2xM9_~!%!*srMI!2$1YRl9AwX2f}p*C%9uI6!Rxp&2L
zT`HXDOH&gz8d<yK89kdzX3_<QMrBz&6=#9udQyf8Tm24GHr$yZlQTKJU4;$3mrNe0
z<ejlDa9Hn>q1lz7+F;pr*kjaIAWu!jyOUIzEvHMT!gO<V)0i)Ezy7xr&kyNQLBDZ!
z^6taK{7{N5U*s7-O9#)%pf9!GjD0y_9%frgt)q-v@7;IC-vitU&uwu0d+yd_J^>8D
zQP8XZBJqEtIUV|sc`p#{%XIT&{g0EL=e*EkUJP8%!KK7~<Sfn~^V1}8JOzRt^K9S<
zmAR8t=TP6E9M4&y$2=8?`9As&Kj41S^Bfp9=E1-kY02Avbl@OmIHu5JUJe`;N3`!f
z{~w5cv-n}24?OD9bIiQ@*NEeopnm6fN`9~K{v*{`eMO$}6*}Ddkm!K@?Bq&P>@;(P
z%G~-_#Q_L^Q~?_};?a*t0k8)`LFj-dJbKJafXBFVt^^$@Ue)RDKjvjXykElKd;h#4
zdR%`M5>G+z`=3|;mPcPDI^bhc9l)#qy+{9~=z$j?6vX%eeU&m5bl`ms@6FgJ>h*^W
zyg}MZmmcrc!_`Dmf}d^Ow!wcy1w3}qKIZk<_ly0#eE)HR4%hL=#PRim9`DtItJqtq
zUK^ah&;#!vv0JYq;#y-P+Cc@-!RGe`=FmRor$Nzs{kbi7nk(&#yHf-`=Hn=U-i^-K
zgA-u{?aP3<pE#cPqCa^4@_Q)yPFW|#>g;T*r*gClM}7?`rhkQh*eEUZ2t20x7fg=L
Aq5uE@

literal 0
HcmV?d00001

diff --git a/deamon/daemon.c b/deamon/daemon.c
new file mode 100644
index 0000000..7598268
--- /dev/null
+++ b/deamon/daemon.c
@@ -0,0 +1,158 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+
+#define CREAT_PID_FILE_PATH "/tmp/mydaemon.pid"
+#define LOG_FILE_NAME "log.txt"
+#define SUCCESS() fprintf(stdout, "success\n")
+void daemonize(const char *cmd)
+{
+    pid_t pid, sid;
+
+    // Fork off the parent process
+    pid = fork();
+    // An error occurred
+    if (pid < 0)
+    {
+
+        fprintf(stderr, "can not creat process\n");
+        exit(EXIT_FAILURE);
+    }
+    // Success: Let the parent terminate
+    if (pid > 0)
+    {
+        exit(EXIT_SUCCESS);
+    }
+
+    // On success: The child process becomes session leader
+    if ((sid = setsid()) < 0)
+    {
+        fprintf(stderr, "can not new secion\n");
+        exit(EXIT_FAILURE);
+    }
+
+    // Catch, ignore and handle signals
+    signal(SIGCHLD, SIG_IGN);
+    signal(SIGHUP, SIG_IGN);
+    // Fork off for the second time
+    pid = fork();
+
+    // An error occurred
+    if (pid < 0)
+    {
+        fprintf(stderr, "can not creat process\n");
+        exit(EXIT_FAILURE);
+    }
+
+    // Success: Let the parent terminate
+    if (pid > 0)
+    {
+        exit(EXIT_SUCCESS);
+    }
+
+    // Set new file permissions
+    umask(0);
+
+    // Change the working directory to the root directory
+    // or another appropriated directory
+    if ((chdir("/")) < 0)
+    {
+        exit(EXIT_FAILURE);
+    }
+
+    // Open the /dev/null file
+    // open("/dev/null", O_RDWR);
+    // open("/dev/null", O_RDWR);
+
+    // Write the PID to the pidfile
+    FILE *fp;
+    fp = fopen(CREAT_PID_FILE_PATH, "w");
+    if (fp != NULL)
+    {
+        fprintf(fp, "%d\n", getpid());
+        fclose(fp);
+    }
+    else
+    {
+        fprintf(stdout, "create file error\n");
+        exit(EXIT_FAILURE);
+    }
+    fprintf(stdout,"server start...\n");
+    // Close all open file descriptors
+    int x;
+    for (x = sysconf(_SC_OPEN_MAX); x >= 0; x--)
+    {
+        close(x);
+    }
+    //  Open the /dev/null file
+    open("/dev/null", O_RDWR);
+    open("/dev/null", O_RDWR);
+    // Now we can do the tasks of the daemon
+    while (1)
+    {
+        // Your daemon code here
+        sleep(1);
+        fprintf(stdout, "Daemon is running...\n");
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    const char *cmd = "mydaemon";
+    // Check for a valid command line argument
+    if (argc < 2)
+    {
+        fprintf(stderr, "Usage: %s start|stop\n", cmd);
+        exit(EXIT_FAILURE);
+    }
+
+    // Check the command line argument
+    if (strcmp(argv[1], "start") == 0)
+    {
+        // 测试下是否已经有个进程了
+        int exit = access(CREAT_PID_FILE_PATH, F_OK);
+        if (exit == 0)
+        {
+            fprintf(stderr, "the server is exited, so safe exit\n");
+            return 0;
+        }
+        else
+        {
+            fprintf(stdout, " try to start server\n");
+        }
+        daemonize(cmd);
+    }
+    else if (strcmp(argv[1], "stop") == 0)
+    {
+        // Code to stop the daemon
+        FILE *fp;
+        pid_t pid;
+
+        fp = fopen(CREAT_PID_FILE_PATH, "r");
+        if (fp != NULL)
+        {
+
+            fscanf(fp, "%d", &pid);
+            fclose(fp);
+            kill(pid, SIGTERM);
+            remove(CREAT_PID_FILE_PATH);
+            fprintf(stdout, "server stop...\n");
+        }
+        else
+        {
+            printf(" no find the process\n");
+        }
+    }
+    else
+    {
+        fprintf(stderr, "Usage: %s start|stop\n", cmd);
+        exit(EXIT_FAILURE);
+    }
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/deamon/log.txt b/deamon/log.txt
new file mode 100644
index 0000000..e69de29
diff --git a/deamon/run.sh b/deamon/run.sh
new file mode 100755
index 0000000..c9f563d
--- /dev/null
+++ b/deamon/run.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+if [ "$1" = "ps" ];then
+    ps -aux | grep test
+else 
+    gcc -o test.bin daemon.c
+    ./test.bin $1
+fi
\ No newline at end of file
diff --git a/deamon/test.bin b/deamon/test.bin
new file mode 100755
index 0000000000000000000000000000000000000000..fbceec6b03084a432d1a7a924be08e6d41a38e73
GIT binary patch
literal 16888
zcmeHOeQX@ZbstisttgU6B~q-&k+uF%B3tH>lqFemEc^6v@~MzyMHZ2?wYxg<_Q-?p
zD|dSm>6nUaMuAv~fDEMhK;pt_;o3zKKyDq^F<P5STq#Cc!$JW^ZBl>@Z1}Ej66!2B
zavJ;kdo%AX_qMlb5%fRb5XU#~_daIk?d;6X?#$<7yLYy?wJAyS)E$br=?@ts%7RU|
zaRwx+HmODUze-)Bt^nVmF(Z!}0;x$C+8gP7#^-^O-Ezt_p&v7_5-K$$N_JtX`-4Uz
zRCODk>^dpSe2~6<rO^{Aa<4qg$W?%@;r0pj+fi(+9%E;1X{57k*T?M_JA%oskL~){
zPUtLE2uY~KlVU=@P3$j7`^X4MXwYti?SgcNF;haR3`+OB?k0bi^7gUa4c8h!L3+D^
zl~5_~Q?R4B{9lt?=KWk=*maoU>mZcFt9mo(!Hw&CGs&JzI#(X;8Qrw8XXE-vDIZy<
zt3dU#@S{F;*WLjIH`9d4<!nD{c=1QFr7S1?`_BHs+06A1J^0Dbbga1|_E&%V<V}CP
zlys=xWJ5ZX$RAhH<3EZV>F9X0Jp`t^ov^F5hEi)*p8VK(=jH6?+6lRRSTaYbd+{wk
z2O_sO1g`<N@C&Au0GjzZ6oP*w1Ro5+sh!RIKOTaAE(E_b1g9uB^S?6$UyKS_kOfm3
zKr=sI3c>FS!Ji4i?+wAf7J~n22);6;{tt)f9}mIvz?Y~M%8DX`B;yGUqt|Jq@!u3!
z(vL<BF8XR{B$+NM+a4NC*r{|bkx4(`sA0z~q?16?rToz5&339Zl*pyP<E|XCOKzg*
z+Sx=pr%G;dC|gjeLNT3lQ>y4>^M@Q&N)N-4O63bqPNjx2`I4i`*+l7n=qK}KR~5=`
zNtGP8ghEOg$AO1@QA?d-QQe=;WRx?Sc2(+dG3`1i7ex-;Zx4;!Z>JLJj7kg*Ii-@K
z+R%`&QQftB*S78Uy2yGjcdM6M7un$DZ&|PGT?h8qNvG%xr%SF=Jg{ebCZBT-BnC57
z&~P@N;|AJBwW%V4*p9KG4P*X1{_FH|ZC=jE{5)Cw9js-1T$)ZVqEYM|V^?XuL!D>7
zydwPp8ijts{L_zo8N*JydILNqnb+icKK5aQui<%1@Pmxcj~cn)!e5{p6p6+(y5}X$
z_;49pNmlXUi$xi9)`!zrBk8gaUm+l<^j{jsX$+Ml{giMSS4p;s{ZKz|CxBDbhtoJN
zDel9`m!y3@T#w@{_>2#yG9(@J;SxKNjred}C@&R!_yP}AYSf4Gqmq^$_2CPB`p11Z
zI*ON0`S30eRqCrgT>2P^AM@c$eELuNaR2yu+J|%3(N@p;aGFmgP5ba=0)qa~hhOEx
zU-99~eRwO|ia;v@tq8ndBJft%HNTEe{Kx$GiOzrSRVsdL+HJ4D5}$Z+{tt8r>Kobt
z*Xpb1fpo1>q(4HETJ_)R_4+Bz(}Z2Cp7(f~7;Dut9#0c@t@@P5(*#+oe$(S=Vysmk
z@pzgLYt@H5o+iRt^|KyN6JV{H@OYZ|YSmA9JWY7D>Q;}ZiLO@d_jsD%YSn8!o+h?h
zb&1E*14XUc=J7Pa)v6cYllIcYhW2|rO=xJp$J0cH_Io@{U}(Sah~{{NqPauqc!K{<
zPb2?$fPXZ=|4D$K3h>7Q{CI#b2l#A&cLMx<0e&FB?+Ng+0KX-`ZwT-`0e*FWUm4(+
z`T72z@0vXSNAby@#V1~y-FG0?Ki&UQd}_-(=!W%WZ{4iarBtMA)faFP(7~s+d=$3v
zsm>1(*?ieuhOYlAl&I@}pgz;J>L}^`fGPB=B%IptGa@&>7oVJspZUd|@iUj_#oNxt
z&%fs`g@ec0!TkD6N?%v8r~BjRmVbp<mDdi$C$>CH+4$t^?!x$qEnfsvslHpUSCZ&#
zXFI<OzU@BPdgYUS^)Q5#8Gs#bRx3U^Ua8d3ohD<m6XUaLtOr#n!Ztp6<~e%meV*<}
zwDIE$2|HK$3+TQ;Smh*gWO8J|3t&~{LGYC~P=m?XrHS!N#?>d-74=(jRl`k0uKv(-
zwG}xneS!La<@<1ASY6OxQ>*qu#b3vl*Z$8sKFp5WJ;xQ8`s;WBys7OG<j|}K*rW^W
zvFWh|rfE+Zp{<2yq4sH3J5GYh*yZ@d_+{1gg=19Pr+<T*eLsEz=+vU9R(u)FdloWP
zxsnV>g!X<Niiqx|n@r8=)|Zf2>^~0m=V{DCnJW!u{QMHOBIxi7UWMRIx@eEGTN*LM
z?K2p@sN{=KGA;YDm-{(#FiWu+J?V<sci8MX@_pXdUHT@+e;S`Gzmklf=vcjms)<<i
zPouJ@v`MToG5*uG&)*Ec5%POtpn{l;YuQ{(-uf@8%`RPs7$%8nOdDwQvSF?JDpmU1
zP&+nVKJq-up?Lfg#%97V0iTS$HZlI1DpSK>ypixT&t30p!5Z!6T;(!!bpWe9=t@vN
z%*y`eu43gMK^fPoLWNvF&8nBE;1mApEtsp`B3-?%V}EXH_qMJb^_8_;&wI%ox-9z2
zta5Ylseu_dn?*o=q&4OOvj5k*;8`m85b`HtGtbjR0rm|NO?Cbl^At&!Yt7E55PNDe
zDal0}<6=8e?3-I)Gs-{*Y~G|x@^!K@m*n5IzquM5gpTPT&mgBG2F=UK_}ZoVI=h{f
zci*YkU!s|u`h%Y5y_p?gE43ofia;v@tq8Ot(2BtOG6HS<78~DJtX$r;hKf$YwF<>N
zec)K21kO2!t&%g8&gT}WUUgXYy4gZ+b}X5|2bWxgzSXQwLYs^oE0xYT7Cxlpiwp3P
zrFh6GTKbbsBocvj(mB+dE8`2x4sC3uOIER*%cXO}S}so2Kq)co+-9vV8RG{_ZoUA2
z^z8>%${le~A?+Iu=wpqOyxA({tx_U|!oe?4mRlUNTtH;Q+T<Z$P({>tu5S5)E*b$q
z-E&EcoO1}MQ?y+@?~|KA>9xdfeo?PyKzGm9>-25!UeIrYe&b@jegO1XtzLf-^yy3W
z`V8n&{3x|OuwS)}cDG%<@XGn8@Kj4UeVmQL?&GAe<4XOy{03y#<98h8?4yO$;_jV`
zm;YYZ2M^Cbs_tBI+fBFJa2-%>Pu~Pj|FT~9zh@`EE`Cn}kCHv7<)A0=`yR^crL{_I
zarYP7w=beLQ9Yi-?;qZ(*BAL^^E%p5T}WD~6@gX+S`lbPpcR2u1X>YjMW7Xd_eTU|
zKa=cVl1FOVLq%z!A>M|nMa)-tvx)2}l6_LLmq?zfWiOKKm!fBJN+N&zy?UPb)AS7$
zN%jyOr3ZH;CTfP|c-5`btz1!jb<l~P|0((R#t_eD%HsVn^!QI{hV5xRK}q%^$sU?M
zyr=f#QLeDmd)9~*t0^h}8pcHr@4a>VP@IPF5lHj1Tp+%DiCkM^xuyAMS&sMHnwNI4
z`~Np0`>uly`*_h6Wx9{)L8b+!N12{t`WVyGOsAQ?!gPk|EK_Wn)Tx`P#k7xUl<7XE
z2bl)z`@iw?qekPd?b~m&)(i}mb8gw{?~kmH^!4<YHQRq=-MUEM`WqSk?H;N7bf}B<
zpceH9+JktKFPOy&^r^9#KJ}M&)vadzo5O%vj9dQAVZd%-T<%w}I_<*$Htau*M-9*2
zTMcOZBTDW+BUS1_WT;%Z{{=s;^_O}39tD2_nP&A5Yu9P*XQ?u)dGTUsGe7h_txa8}
zg8lKFHu<oUee~k#U$p*m@4gm%7MVaOwP+Cn(hRqNTVm{^w*zms|MwlOk5Mn`Q%3e~
z;LZG}L+}Se@G0Qk*s0ka@c*R{{U<cut^ShxiGKHi`aDH=`w}JNwAA)*Lj1fGg1;7m
z{|Y$OGZ=>s46x1Oa8(F?QwV+sa7!xfqkBU1ZQx6AN<i*&G06~4HDYHSEcjfApOe75
zaUboAiU&jA)p6+d&JF2zS`a<L`oZh<sP^BjF7Sk;-#bD7nUHe-ECl~<2!1XEr}Ie7
z;{PUaichefzXEQVCN}(Eg7K@FpX-5N*Pv;bJ4nABPYW`xv(AnXKLfy<?w7x3sOa`b
z^4Kb#7);x4Vi<2--I7~Qr6NOWZd<wSW^HVI&p9P%CiC`iCO??S*hx2EEZK?js2a*=
z3mFG*O(T8HHE1_}+D;UUi80&B;Z>?i6%$#<PL{LTF_`!`8=7u|D!&*Wg5J*kTld85
z*xnsBHni{f{k>cF?Ai_(2VCq}oTc#{`;~py?z^{b-EH5!bLTy=1NMQf+jhrb5!~`0
zm96&JN^iFNdkAf`|82YL&F23`^~Mthp6phAM8IRovpJK{0NGA5;U@TmL4(A!pN=x<
zFq%^i4I05S1)gv{-b>TL1P{>7vZ*9<FaU3`>Ci)i+?;r5fcQ*A0~R=6pwC1E6q2R9
zJ(9>J=`_NwyHR2?owLg&C#jD`G%7neI-@aIDsjd1kqmP-qCrs~#Arb11$_fxPFgfT
zwvDq9(sAg}MAMTH`uIk`&VQDqQA8b8pY>>f(MWu*Xn<6tG?sM}gP?BF&=JYusEJc7
zs0hB7IFaF8If8Em1*hna`Jlma8fVAwUBqZ@-L|WT?p3Wmk|>R+NOCNPA`EqlMuJZz
zC46IPU~I^WP9{MHoGWBp712$JAR8IZgQX0<(5Q&(jDn?`7utE<K_kux->xG`coWX}
zF!!yokUWY?WYchF%yETP1OrAE<3N+K?RSA_9fT<Z&sZh}&w<K1h{al0@<gx4kCp&p
zA9mi6bScSt!*EJ%M8<C)JoiZ7Vf;zvMZxHK(r+)%vqCLVWE!;pH1Pk#+C}Ow>pP)+
zY$xlxVEq%2)7nn#W&J1gF&0oADb8Xq>##I1OfjCltS5!a`VlHRkq>|REErmwN%^uK
z6S|3&rT(HP^a$j%))QXVdqVfIeX#xvt0`nCreZJaPoeajOG(NPw*M=Tk^MGOLX!2Y
z&>3zp*;CAd_TL0XD&pUp*Li-Ibv{&d3SR$j0QK8jY$sHI`(s-oEcWOV0s8{4`-F<V
zxDa0G>45!Fwig=Z_J`SjFJM2-4?{v%%ZmzjAmxfb+Ry24zdVNvmG>y3AB^AMv%Oq@
zWw9pHYXkL{>&IH^ACVyyv6uCe(A!0kX|VjC1ndu9YZQh4Fkl}n|8>Y|n>pQsl;r)8
zoKp_!3orB{Y`X9hds)A(=^<}({nc=Dyx6}B0rg$6mvyC_JD2n2bpKHjJGqYE0!Hx@
zdwG9k^^&$yGy4DBKd~2j1&sanD$2TjhDtf&LF|NI2xG#$@}ox5&Gt-0U0GhvWR`IG
zK|Qfw8_=h^Qu0&jJ4RyuN7-S4`~OP7bZbccW&EZ0AX0Z@Y5t$yV5rPTB9n53r`xre
P{qoI5V@1Fqz^eZSnQ!Ru

literal 0
HcmV?d00001

diff --git a/exec/app.bin b/exec/app.bin
new file mode 100755
index 0000000000000000000000000000000000000000..2430bdec63dc260fd7bb6530ba8f53bc8d45860d
GIT binary patch
literal 15960
zcmeHOYit}>6~4QU6Q_0TO_~tLfp`U_G*q70j%`AboAoo}%6Zgr1W3Sm>|NU{?ZfQO
zQg2mSR{@08Mhg6Z3aZjdNUa2w`hy=vAk|eLv`AEq_(3X!6e^5dsSl@66kZw5xpThB
zcvz=W1wSgym3F^-9^bil&fJ;3vvcqL!($`ySWKbRsXG))lL=3g62rs2QXxpGBWeeI
zx2XeaE6H25&a<aHAgfm{#y4Vv=<5iX*TR(=_)$--faoD3^ENBDa)+n@l^h52>e(Q2
z7$1-ZfUx`RC7DbmslR=EQ$%2p$6Z-&_Z*h{HsTi~FO!1cvB<oag!hv0fa}svAo9sM
z;m;AtXBa!k#swJW%?U4zLmo{5xeYF-SDo|+Y44Qq8k0JV3S+mYRzS3O7xCoOipTW<
zr+Hl3+w44;l7FD2R~^b_r+T{&<<jlBY@xEyzHp?sy|>#a7mY66F!w7-A0AW3PMlE`
zW`%W<MipQ5WW;0JZn3lfmLI+S!ZT@id~Z+n{#V}V>pSeex5_@;Z|1NM7mkM^!ZOAO
z`*`_yfYnl0>O$s~yjE=T#qoF5u$iPw*3f^PbhZ4`oA{SE(Q|(})_)btnqIK2nQXz%
zW$(!-%c8_jTV=;CIac1z7Sw#jDJxcT@_W^>vC)A+tIOyzdi?s~Ze@*59JkV$Qf4+=
zb~2@j<Ab?kAv0l5<v8YSzF3f$mgid2kvbQr?AOtUzq!On^C?1%r%G#fJD-(K(f#Z@
z-=otIS8|yuT<5sHQad?{QY+#By%K#xN}Cn*kS`wf^n8vvcPN(v`rx=&3+Q<qp{xh=
z`u-<|D*?SXjy%JwqTfa$#xi0>7-b;JK$L+f15pN|3`7}-GVtNgz+ajV{KGu^W`p@)
z{cDGmGQYXv#NAiTv(Gm?rw`8U`2nflbwBw-g61~G{&Q@3_l-Zgu6v$kvOcA)LrU98
zt_0=Iw?>yPe8pUP-8}oJ^-~kWohzL$o9Fs|O;OxEr^)lLGe&dUH*|ZXuad?*S6^cI
z>=kDZb*-1{)V1yIrRKIpc6?5d{71Ea&j7>0tLD<W`Rv<A&1bLFnXwnm3s;@p6rf%L
zG`N>$n%k(K;B)^M``D~1x1BN1_PuUU)m&P28qEj${!GH!K03~|G=05T{|Ay|UncGb
z{u_6bkprC}9wjre^!0z4OO<sxh{u~a*ss=Bue$Cs_xoi^E4%8P`&nj7RH6(-8Hh3v
zWgyBxlz}J%Q3j$6L>Y)O5M?0B!2d4;{C>-xpHG%51r^(0_qh&gir*9MUU%IzVK?DJ
zghPZsCY&G~Bka5Ey1yjkcbZ&c_l&F9LL#=maa+TAdSS(S{qCOpZ()a_ZTc13%~a)g
zyHCF3x=BLSlo)AhxwHAkyBikO(bn5PefVbmnvnTlqR(UGhj(x6&U%MF4~O*J7WcDC
z?Hwdk!%c~A#Rqq6oum%29F-^oQ3j$6L>Y)O5M?0BK$L+f15pN|417p4fOUmfM~F3o
zyjGD*qX+)N#T_C$vhHx7$XKtqUt~NhwTg^&i~3oPbg;j7)h)8i)3QhqYYP{*ctorz
zyeRe?JheI}c%xv8;2uGM(A2W5N5oo3`15lh7hb2xWv>S+Aq_)+N;-yquZSNl;?xE4
z4u}lDf4biBQC_u*-rwruO-ej^<Ev%logO>2+$8qDi;Uxt@c%Qwdhl?-j^M*`*mxZo
z>rRgi4&I);^~_YI;8c>Gokq9O(cW3nV&{EbT}DUuK~Y~P7@0UPThwJY?8SMHk>w#t
zOi~<fBCO@l=Os?7Z_kI0i+QYH3F!}u9@hnlx{T6yOtq>+%9C;4c$IZbeZ*g%>sgh$
zmnt0Jzs|()ZSB9uU*`+|C#X`Z|C=4xQ##IWwU$JLYgjAJFSP$&6+Z9JYuZizI(kI;
zo%V0>uOH~&qDrmx+&54{l5h&(h}P5HA{9_l^%m0Cit`!LC)7Sa&tTob{_&j(_aEqo
z#6KMWF48CA6u?Q+?~LzL7_TtpS<gKZlH7*Wy`)djd2dO<)5AMSzl$uBGJf=bRAl1)
zAMB5D0@gY4AC>#(K{0%n^xU7Y|D&W&f*inQ((6CC0y?h#mh`*gbk`1zXLWkI<a8QE
zTEuQoWi7{^Rir38m6;i1T3uW4ZaH~tnwPwn$unKFW^=_UJ7=YxVySG|l?63j%+KdC
zP9|-1)b`*t_*u&?mF%jODLAF7nkm`&jFqnB^Hrh*B#S(q4X*STB6Y{IM#lS(4_m`0
zhAdiVKlH^D{l`ZKNlm*MtYK5E=FqsZj*Xoh=pVCAj*Ofhp0FnR2gZhp5nlYC!fOBb
zS>exn1bkoK8DM47wqq-OOca&{Z~Z?B8#e=3>2lGUvkPh7C@^}Gywcf%RVioE6r@03
z)>OGHT)iK`vS@Pw4v}{q)Z9w2aa+U2zH#=HGRoDwV^0w}B@gFN%NA%0!@M#IMJHp-
z7AnSksW_i0In{t_s*<J6DcQ8B`Ughad2nd=IlDZkjC8d?O?c>(Jj>TIrE<1d*dSPB
zD`j#v6QnkubCjXGX;9UeEt1HUa%Nf?PG*5b9xdcu)Oj{Cb22{W(i9Dn7sDGU9s_l1
z%Fbsgm`A4+D}zR8o(5j%!uWt9&u8e8qI<Yk!u!lHpAob6MV;{z^x-)K_?zvgVqY$p
zH+Yg#yj?EH5AUnu|G|R=_bcf5_bSN8?<Ft^N5L@v^Q8Y9%|XzA%+r8qAM><u|83&)
z91VQT<A6^}yWB_4Gx(TKWl6_B@!&5?2Z5Lel8Y`JBUrvl0?)C)$Gpl%aYp~)2fUB$
zJZFQ9c^j}p_~HJGTF+Ct%iv=k30x6Jv>!hH?~|SR1LB8yDG+&LKG(zi$4SRIL45yr
zL4F@FUndt`B)t&TBUB6Wlfv`S_w*|G*#SNg;-|y_gdf5{20k6)pArKQew*=s9^y|5
z0k|tPV8Zd93Gp%S0PaA;g5mtVAbgyEl@v!o|M^PPVg7GO&s_w+5j??evIR?+|9dh9
z`KhGm4g6`4Om&POs8^{%Yft?>TzJmIKFF{?WZ-4uHV6244qRy`B^CI2(lr_Sf0Kd7
zE}nldZ^gb=>|f>Uj|+G>k3S(DA3ykb4qQIO-n6LJ1OFR*;8r3B`6?x@9Uh_`1ON|m
zBavB$_A$Rp2tVx4Z3W9tX<yuZ6Zp6J8m|I=5HWUwt|<vPDINP58EMw*=MVRl?W9BB
ggZ#(%0g1|MXvh<FuB57gr@6KG)gI5Q^?msN0b5to{r~^~

literal 0
HcmV?d00001

diff --git a/exec/app.c b/exec/app.c
new file mode 100644
index 0000000..8f62e50
--- /dev/null
+++ b/exec/app.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(int argc ,char *argv[]){
+    printf("app run\n");
+    return 0;
+}
\ No newline at end of file
diff --git a/exec/exec.c b/exec/exec.c
new file mode 100644
index 0000000..acd03a4
--- /dev/null
+++ b/exec/exec.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <signal.h>
+extern char **environ;
+
+int main(int argc ,char *argv[])
+{
+    char pwd[1024];
+    getcwd(pwd,1024);
+    printf("master \n");
+    printf("path %s\n",pwd);
+    char path[1024];
+    snprintf(path,sizeof(path),"%s/app.bin",pwd);
+
+    char *exec_arg[]={path,NULL};
+    char *envp[] = {NULL};  
+    int err = execve(path,exec_arg,envp);
+    printf("error happen %d\n",err);
+    return 0;
+}
+ 
+
+// int main() {  
+
+//     char *args[] = {"/bin/ls", "-l", NULL};  
+//     char *envp[] = {"PATH=/bin:/usr/bin", NULL};  
+//     execve("/bin/ls", args, envp);  
+//     // 如果 execve 失败，会执行到这里  
+//     perror("execve failed");  
+
+//     return 1;  
+
+// }
\ No newline at end of file
diff --git a/exec/run.sh b/exec/run.sh
new file mode 100755
index 0000000..21cff57
--- /dev/null
+++ b/exec/run.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+gcc -o app.bin ./app.c
+gcc -o test.bin ./exec.c
+./test.bin ./app.bin
\ No newline at end of file
diff --git a/exec/test.bin b/exec/test.bin
new file mode 100755
index 0000000000000000000000000000000000000000..6f45c882e0aaa884ff985406cd727a01dd3688b3
GIT binary patch
literal 16168
zcmeHO3v3kE6@6>-G2vrFOfb;GG!4xMd9c9{n#y7Ek8x!_0i!BX((!nA>|L?H?9K)o
zRjDIFg+(kmszM{Rm7r=Hs#X<g8<k3FYXl*oN>gYX$x&2^wn4Hbk{YM9q!CQ-eed33
zJlSokex$0JXN}Lh=id81cizmr*?I4a?Oh!ek%-__DIOG3TCA8TDH8Xyg%DA(SuBMA
ztHmlY2k2RFL`faQ@d~A2tRlNgK=iA_ObPs$q6H(j5E1>#rJlJ;!zgN$jDE8*OL7nw
zQacz~@71TFGbBy^_plZXATj#=FgBz0QY}WCXW|gW<uD=pp@@FR$nO~WF-}o^j2usl
z2_BoNA3<yY9VW)0UxNIC*rwbBBi4aw&t)h6uhh4T{F*dbjQ9{LS~L-IeGh>j#^s+)
ze42MtedW$Wj^fWq;T7vr$=*#(>r(OhR5DW>s2|w8seV(FUdZa}WfQPn8XP#Lw(Zy}
zpqMe_D2$?FNXc9t>S{@k_K$t=<!`@#$F-+k=$gt*+?ap=tUvzhWwgO|qYv6(!t!{C
zpp5zXaG;Hf$CHp#9O6a$^)zC+gyk<Op*#SbR)W71xKj2Hmf>-Hm9p2%@OWD(Wq)@W
z{wVMo9KrN0AhaL}as&?S!-tY-#s)02FPX7Y$pf}9O*r8(v*1{H$4pzvjK~$8g0Khd
z*yFY+WODgr#_1FNwiDYQ2Wv2l?K5MEeP*APObK+x!Ldnf>*{Q2HP`D+UT(d<(aUdW
z5@u)jb~A40?fzuJvGd*ATT|JL-EH-zuoeC3Y=&B4D$|mN(47kCTP0lcmGl>pGIBdX
z%j3T`nOul>hKGqOu1L<qQ57TkN6#FEVN@ZqAY<bD6yF~%(R1KAx(_jbjQFakbQ8?8
zJibNoI7aataJuB<{o{JV$3p|XH09%O^H?FS`*^$_IGrFK9|L?XqVA-R$LoyKDIYJN
z52P6L@#;ELidTI+J!+)lf{*7|a2+9r5eOp?Mj(tp7=bVXVFdn{BJf`Is=pZruT&XF
zX1}>k2;<P0Q{i4P4xX(#Bb(`N%mY2`t|<UiuNG*ZK+W{z?_Jj&l`>B7rYA3YGEVHK
zCr^7aPQ<1sU+`p{fK5*x_hg)SO;0|<GSv2{tgTJR`ar$`?+?|hZ^_pJ@;d?fazOrF
zKz_q7H@?$3eDU+f@E?qWZ%^&&Zf_iGJa3FN{{mX&F8v``{<%-DUi}n^5TKFfH-Rxm
zX8#)D)7PD)5W1t7htSP)FIBG|Lc24BVE-LyzwsLg_ue#yr;O9@ZZS?@uQVd(jEgs&
zS}4G#0;=3geX^hIkMSL9Mztue-D@0dZo#ZEeA!uG9BJ+VVdDHv*PVz%@XpO{208L5
z_<HrD|Kxs9VrDP+8Bbn`E)Zh)r?0)|y2kK}V*qjE$gDN@$a34SH;x%2ho=7Ox<A7o
z6pZ0lCQd;G(BU`WMFPd76s3tVd=3<6mEsf>ASU)n?Xy?_mLn^<XpAg90Y+S+vV4fj
zktT;OA-r;E0szZ_>^Nsfp2e&&G9qob(ATjo^-#v}q2Ge~i2N_xWBA+i)(zK{^%+O@
zUXL4VYh_2B*%Lni#rZQB7CHXC5s$TpDU3iEfiMDL1i}b}5eOp?Mj(tp7=bVX|9=sP
zz_*{Yg&(3ck+YnHwx)2KfR}wMm(zRUE0~?nXY*PDL_4FciOWwgk(HI7!S8(d+J5Cv
z@cIb&$dv0o4VVJ_Cg5v;U4SoMb={W$@!Kb+$bsD=GEfs)xnOS9DEw}KJbvRJ0Q*m&
zLEBvU>FO@X;y2(SC_jh%qMD9Hb)T)CzrSioY+3QZeH-qQpY_oH5jb82JO1W{=Eys6
zi~-*R$O-Ghc3y@0mf`Of?Tc!@RMEO{PUWHqG>OeZ3?mRmAdEm5fiMDL1i}b}5eOp?
zMj(v9e?0=c-j3JT@!GkaRPzFE0ln<Nr!JLlSFoH!UdOkRWPY<*K{BuB!}lRftiN{C
z&7ypg7SHjTxa;sO5EHM38z()l$@{rd%eASPts{9UAp^OIQCcs@YXC>d0N>j%@!Gm&
zN)#8UV&-c|=5~*f9j_ha`d1Opb|1K^e-Kwm!S_Si-wV`H_);omjyt?2O8FG&-zS;-
zLB;>afY*5k3v8hC9VOgF*h82j93l+*f0SGmRTkS?TOZKw+1p#pI7O|oQE$>4>Kltv
zY<yz<dcC3PUZVeTi5S0G;;Q_X>$k-769LWB6hMuXIDAXl<N2$A)vOJ)-jvLRMto0z
z-#|QHKWyI#nTS{+YNCqa^NXvjBjOIh*Mrgu@de0Wy?i|~e^}Zt_14KU|2$+$wZB}y
zzAwwE6*ZsW5^iCsa$b`5%S3Q|ye!>r_tw#KDdW<<&b!W-e-|>P)?3eqfM{&w!>>yo
z?kZ6q3E8`WFICQF;A_NkFV5_>1??-~WYK+!`Svp9^p@d!%J9W9{NXbESAoZN2K#ja
zc#Rw9!yf~`xMI2B>x5Njk;h1o6Wu1oZ-B3X@m3dQONGaQUjiC%l1cvN1-Wsu=kcku
zLcC4(lVmS{vjXKL@YtT9{Wah<cJ^U4+-UFg$(+3p_$3waR0-ZU_Qdi|qn?E&=~i#j
zbgX^>M8PTc_31HjYx%nAq|F#EU@w4WJZtu+vb|Qyj62zU!L*74B9=|(Qnq8q^@h?G
zxCTFITKT*+XxbSkKPdY0R@ye>#dLZQTzrxVmd*@QT%Ql^G0l$MTer8H?K|2`ST^7G
z@Q$t9J6nN<Z4_p^L0Y42w=lPL?QGfFW$x_g*wfx^c5iLzY6p+t>i;M&<Nt^S`?yKK
zv&Dt}rX9B&OUO<^u`{;`c$Q7xjslNDXSKUv2BkJ2%%C97P=(qg09DM~F<{0ESu<f}
z;<%fjb0=8ElNqyEuwm1Joxz<8y@dk#%54s&2|ExtaJV(0<bH#hyCr5e2TzI+dSNi_
zSiOKwUSWcBuyexB=Y*cgI=0@QDeAd=HfQIZK_AsyOu}B9WSpq2EuHl^=A?PTDkOv+
zAIv}%3Z1;tJZ|R;$!unZV1h1hrz~`!TrTAZT{csPtlpmm5i<olCUnOh01*cvSZC$g
z)9nNeyF?sHV@Z{v#-H-wJXB?+lTes)hY$-L27VgGGhb-`CgMB}E^T-wsTABd$MZN+
zOIyw(ei9CxJF$Pc{b6W}iRVj75@Hi%{QkjxV)%Q#Kk<E#Ieh;5{rUONsIeho(EoG5
z{{`k=+<u;)GIISqKMl6u0)N~m!u~veWz;aZkg$!IWq+PWCV|5#3;XkYn33ndU?LM0
z$D())ayYkSf1Xb=ay{IBwqtw({Bf?zGS62Tqf}F{{X~lq$Y4y_pXbkvV`Rwn2mAjO
z@^2wKo{uw*`uwpkLI2~xVNAGu?|DPd9ez)tVq{x6kN7n>{QesGG3NZnkSDc=&j<WR
z$$*jVxfqriPX_#tk%F;@9SPZw@h1U)e*SyNCnn&}#p3w#_urdG(R|8#4<v`+^@H<7
z^!KXK$dIs+M24XMFG1n=FSl>Aoc~(^|AeM28NbJlggkzjz6_Z~aPWH<zu)q{&Y(TZ
zj90<8+UL*n{pad|gv54Ax+ODz0~9!RxqhC9^FCePkBiqICidg=|6SlPe(cZhzoYBW
zT8Nwi??3x9&H-n?zlf4)gF>!{3t&H%7l1QzTtCknYsf!nk9GOeVyd6aJr(<}^%#|5
ze?NL-&u1H@0{K4tanQkR+KV6G7v}-TZTGp0x+Wzx1PbSR*%qhIrTh(iut8c8a0rOv
E@1Q~NfB*mh

literal 0
HcmV?d00001