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https://github.com/apache/nuttx.git
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bce576c0bd
Summary:
- Discard the child entry after receiving SIGCHLD.
Impact:
- waitid
Testing:
hifive1-revb:nsh (CONFIG_SCHED_HAVE_PARENT=y, CONFIG_SCHED_CHILD_STATUS=y, CONFIG_SIG_DEFAULT=y)
on QEMU
static int task_main(int argc, char *argv[])
{
sleep(1);
return 0;
}
int main(int argc, FAR char *argv[])
{
pid_t pid;
siginfo_t info;
int ret;
pid = task_create("task1", 224, 1024, task_main, NULL);
task_create("task2", 224, 1024, task_main, NULL);
waitid(P_PID, pid, &info, WEXITED);
waitid(P_ALL, 0, &info, WEXITED);
ret = waitid(P_ALL, 0, &info, WEXITED | WNOHANG);
assert(ret == -1);
return 0;
}
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| .. | ||
| clock | ||
| environ | ||
| group | ||
| init | ||
| irq | ||
| module | ||
| mqueue | ||
| paging | ||
| pthread | ||
| sched | ||
| semaphore | ||
| signal | ||
| task | ||
| timer | ||
| wdog | ||
| wqueue | ||
| Kconfig | ||
| Makefile | ||