[apple/xnu.git] / tools / tests / darwintests / sigcont_return.c

#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>

#include <darwintest.h>

T_DECL(sigcontreturn, "checks that a call to waitid() for a child that is stopped and then continued returns correctly")
{
        pid_t           pid;
        siginfo_t       siginfo;
        pid = fork();
        T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!");

        if (pid == 0) {
                while(1){}
        }

        kill(pid, SIGSTOP);
        kill(pid, SIGCONT);
        sleep(1);

        T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid);

        T_ASSERT_EQ_INT(siginfo.si_status, SIGCONT, "A call to waitid() for stopped and continued child returns 0x%x, expected SIGCONT (0x%x)", siginfo.si_status, SIGCONT );
        kill(pid, SIGKILL);
}
Commit	Line	Data
5ba3f43e A	1	#include <signal.h>
	2	#include <stdio.h>
	3	#include <stdlib.h>
	4	#include <unistd.h>
	5	#include <errno.h>
	6
	7	#include <darwintest.h>
	8
	9	T_DECL(sigcontreturn, "checks that a call to waitid() for a child that is stopped and then continued returns correctly")
	10	{
	11	pid_t pid;
	12	siginfo_t siginfo;
	13	pid = fork();
	14	T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!");
	15
	16	if (pid == 0) {
	17	while(1){}
	18	}
	19
	20	kill(pid, SIGSTOP);
	21	kill(pid, SIGCONT);
	22	sleep(1);
	23
	24	T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid);
	25
	26	T_ASSERT_EQ_INT(siginfo.si_status, SIGCONT, "A call to waitid() for stopped and continued child returns 0x%x, expected SIGCONT (0x%x)", siginfo.si_status, SIGCONT );
	27	kill(pid, SIGKILL);
	28	}