Attachment 18081 Details for Bug 15464 – b15464-testcase.c

b15464-testcase.c

b15464-testcase.c (text/plain), 945 bytes, created by Krzysztof Olędzki on 2023-09-07 07:32:03 UTC

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Creator: Krzysztof Olędzki

Created: 2023-09-07 07:32:03 UTC

Size: 945 bytes

patch

obsolete

>#include <sys/types.h>
>
>#include <grp.h>
>#include <stdio.h>
>#include <unistd.h>
>#include <pthread.h>
>
>#include <stdlib.h>
>
>#include <sys/wait.h>
>
>
>int main(void)
>{
>	pid_t pid;
>	int wstatus;
>
>	pthread_key_t k1;
>	pthread_key_t k2;
>	pthread_key_t k3;
>
>	char *val = malloc(1);
>
>	initgroups("root", 0);
>
>	pthread_key_create(&k1, NULL);
>	pthread_setspecific(k1, val);
>	printf("%d: k1=%d\n", getpid(), k1);
>
>	pid = fork();
>	if (pid) {
>		wait(&wstatus);
>		return WEXITSTATUS(wstatus);
>	}
>
>	pthread_key_create(&k2, NULL);
>	pthread_setspecific(k2, val);
>
>	printf("%d: Hello after fork, k1=%d, k2=%d\n", getpid(), k1, k2);
>
>	pid = fork();
>
>	if (pid) {
>		wait(&wstatus);
>		return WEXITSTATUS(wstatus);
>	}
>
>	pthread_key_create(&k3, NULL);
>	pthread_setspecific(k3, val);
>
>	printf("%d: Hello after fork2, k1=%d, k2=%d, k3=%d\n", getpid(), k1, k2, k3);
>
>	if (k1 == k2 || k2 == k3) {
>		printf("FAIL\n");
>		return 1;
>	} else {
>		printf("OK\n");
>		return 0;
>	}
>}
>

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