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bf4de8f367
avoid warning. * io/pwd.c (main): Likewise. * iconvdata/tst-table-from.c (main): Likewise. * ctype/test_ctype.c (main): Likewise. * setjmp/tst-setjmp.c (main): Likewise. * signal/tst-signal.c (main): Likewise. * stdlib/tst-strtol.c (main): Likewise. * stdlib/tst-strtod.c (main): Likewise. * stdlib/tst-strtoll.c (main): Likewise. * stdlib/tst-xpg-basename.c (main): Likewise. * dirent/tst-seekdir.c (main): Likewise. * grp/testgrp.c (main): Likewise. * inet/test_ifindex.c (main): Likewise. * io/test-utime.c (main): Likewise. * posix/test-vfork.c (main): Likewise. * posix/testfnm.c (main): Likewise. * stdio-common/temptest.c (main): Likewise. * stdio-common/test_rdwr.c (main): Likewise. * stdio-common/tst-fileno.c (main): Likewise. * stdio-common/tst-sscanf.c (main): Likewise. * stdio-common/tstscanf.c (main): Likewise. * string/bug-strncat1.c (main): Likewise. * string/bug-strpbrk1.c (main): Likewise. * string/bug-strspn1.c (main): Likewise. * string/test-ffs.c (main): Likewise. * string/tst-inlcall.c (main): Likewise. * string/tst-svc.c (main): Likewise. * timezone/test-tz.c (main): Likewise. * wctype/test_wcfuncs.c (main): Likewise. * wctype/test_wctype.c (main): Likewise. * stdlib/tst-random.c: Add attribute noreturn to fail.
43 lines
746 B
C
43 lines
746 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <error.h>
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#include <errno.h>
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#include <sys/wait.h>
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void noop (void);
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#define NR 2 /* Exit code of the child. */
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int
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main (void)
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{
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pid_t pid;
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int status;
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printf ("Before vfork\n");
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fflush (stdout);
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pid = vfork ();
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if (pid == 0)
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{
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/* This will clobber the return pc from vfork in the parent on
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machines where it is stored on the stack, if vfork wasn't
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implemented correctly, */
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noop ();
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_exit (NR);
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}
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else if (pid < 0)
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error (1, errno, "vfork");
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printf ("After vfork (parent)\n");
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if (waitpid (0, &status, 0) != pid
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|| !WIFEXITED (status) || WEXITSTATUS (status) != NR)
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exit (1);
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return 0;
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}
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void
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noop ()
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{
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}
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