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Diffstat (limited to 'sysdeps/pthread/tst-fork4.c')
-rw-r--r-- | sysdeps/pthread/tst-fork4.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-fork4.c b/sysdeps/pthread/tst-fork4.c new file mode 100644 index 0000000..3efbb72 --- /dev/null +++ b/sysdeps/pthread/tst-fork4.c @@ -0,0 +1,64 @@ +/* Test of fork updating child universe's pthread structures. + Copyright (C) 2003-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <string.h> + + +static int +do_test (void) +{ + pthread_t me = pthread_self (); + + pid_t pid = fork (); + + if (pid < 0) + { + printf ("fork: %m\n"); + return 1; + } + + if (pid == 0) + { + int err = pthread_kill (me, SIGTERM); + printf ("pthread_kill returned: %s\n", strerror (err)); + return 3; + } + + int status; + errno = 0; + if (wait (&status) != pid) + printf ("wait failed: %m\n"); + else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM) + { + printf ("child correctly died with SIGTERM\n"); + return 0; + } + else + printf ("child died with bad status %#x\n", status); + + return 1; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |