newlib: tests for sigchld

This commit is contained in:
Giacomo Tesio 2017-05-29 01:42:08 +02:00
parent f6d44667f2
commit 559e5429ed
3 changed files with 84 additions and 19 deletions

View File

@ -4,13 +4,40 @@
#include <signal.h> #include <signal.h>
#include <sys/wait.h> #include <sys/wait.h>
void sighup(); /* routines child will call upon sigtrap */ int child, cstatus;
void sigint();
void sigquit(); void sighup() {
signal(SIGHUP,sighup); /* reset signal */
printf("CHILD: I have received a SIGHUP\n");
}
void sigint() {
signal(SIGINT,sigint); /* reset signal */
printf("CHILD: I have received a SIGINT\n");
}
void sigquit() {
printf("My DADDY has Killed me!!!\n");
exit(0);
}
void sigchld() {
printf("PARENT: got SIGCHLD\n");
#ifdef WITH_SIGCHLD
child = wait(&cstatus);
if(cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
#endif
}
int int
main() { main() {
int pid, p[2], child, cstatus; int pid, p[2];
char dummy[1]; char dummy[1];
/* get child process */ /* get child process */
@ -37,6 +64,7 @@ main() {
} }
else /* parent */ else /* parent */
{ {
signal(SIGCHLD,sigchld);
close(p[1]); close(p[1]);
if(read(p[0], &dummy, 1) > 0){ if(read(p[0], &dummy, 1) > 0){
printf("sync read received data"); printf("sync read received data");
@ -51,6 +79,11 @@ main() {
sleep(3); /* pause for 3 secs */ sleep(3); /* pause for 3 secs */
printf("\nPARENT: sending SIGQUIT\n\n"); printf("\nPARENT: sending SIGQUIT\n\n");
kill(pid,SIGQUIT); kill(pid,SIGQUIT);
#ifdef WITH_SIGCHLD
sleep(10000);
exit(1);
#else
child = wait(&cstatus); child = wait(&cstatus);
if(child == pid && cstatus == 0) if(child == pid && cstatus == 0)
exit(0); exit(0);
@ -59,20 +92,6 @@ main() {
printf("PARENT: child exited with status %d\n", cstatus); printf("PARENT: child exited with status %d\n", cstatus);
exit(1); exit(1);
} }
#endif
} }
} }
void sighup() {
signal(SIGHUP,sighup); /* reset signal */
printf("CHILD: I have received a SIGHUP\n");
}
void sigint() {
signal(SIGINT,sigint); /* reset signal */
printf("CHILD: I have received a SIGINT\n");
}
void sigquit() {
printf("My DADDY has Killed me!!!\n");
exit(0);
}

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@ -54,6 +54,7 @@
"/arch/$ARCH/lib/newlib/libg.a", "/arch/$ARCH/lib/newlib/libg.a",
"-I", "/sys/posix/newlib", "-I", "/sys/posix/newlib",
"-O2", "-O2",
"-DWITH_SIGCHLD",
"-std=gnu11" "-std=gnu11"
], ],
"Oflags": [ "Oflags": [

View File

@ -0,0 +1,45 @@
/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 of the License.
*
* Jehanne is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <libc.h>
#include <posix.h>
static char*
qa_exit_translator(int status)
{
if(jehanne_getpid() == jehanne_getmainpid()){
/* the QA test may fork, but only the main process
* should return PASS/FAIL
*/
if(status == 0){
jehanne_print("PASS\n");
return "PASS";
} else {
jehanne_print("FAIL: " __POSIX_EXIT_PREFIX "%d\n", status);
return "FAIL";
}
}
return nil;
}
void
__application_newlib_init(void)
{
libposix_translate_exit_status(qa_exit_translator);
libposix_emulate_SIGCHLD();
}