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/* COVERAGE: wait waitpid waitid */
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/syscall.h>
// To test for glibc support for waitid:
//
// _SVID_SOURCE || _XOPEN_SOURCE >= 500 ||
// _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
// || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L
#define GLIBC_SUPPORT \
(_SVID_SOURCE || _XOPEN_SOURCE >= 500 || \
_XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED \
|| /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L)
int
main()
{
pid_t child;
int status;
#ifdef GLIBC_SUPPORT
siginfo_t info;
#endif
/* wait() can be implemented by:
*
* waitpid(-1, &status 0);
*
* or:
*
* wait4(-1, &status, 0, NULL);
*
* So, on many platforms it doesn't really exist.
*/
#ifdef __NR_wait
child = fork();
#if !defined(__ia64__)
// Sometimes glibc substitutes a clone() call for a fork()
// call (verified with strace).
//staptest// [[[[fork ()!!!!clone (.+, XXXX, XXXX, XXXX)]]]] = NNNN
#else
// On RHEL5 ia64, fork() gets turned into clone2().
//staptest// [[[[fork ()!!!!clone2 (.+, XXXX, XXXX, XXXX, XXXX)]]]] = NNNN
#endif
if (!child) {
sleep(1);
exit(0);
}
wait(&status);
//staptest// wait (XXXX) = NNNN
/* Limit testing. */
wait((int *)-1);
#ifdef __s390__
//staptest// wait (0x[7]?[f]+) = -NNNN
#else
//staptest// wait (0x[f]+) = -NNNN
#endif
#endif
/* waitpid() can be implemented by:
*
* wait4(-1, &status, 0, NULL);
*
* So, on many platforms it doesn't really exist.
*/
#ifdef __NR_waitpid
child = fork();
#if !defined(__ia64__)
// Sometimes glibc substitutes a clone() call for a fork()
// call (verified with strace).
//staptest// [[[[fork ()!!!!clone (.+, XXXX, XXXX, XXXX)]]]] = NNNN
#else
// On RHEL5 ia64, fork() gets turned into clone2().
//staptest// [[[[fork ()!!!!clone2 (.+, XXXX, XXXX, XXXX, XXXX)]]]] = NNNN
#endif
if (!child) {
sleep(1);
exit(0);
}
waitpid(-1, &status, 0);
//staptest// waitpid (-1, XXXX, 0x0) = NNNN
/* Limit testing. */
waitpid(-1, (int *)-1, WNOHANG);
#ifdef __s390__
//staptest// waitpid (-1, 0x[7]?[f]+, WNOHANG) = NNNN
#else
//staptest// waitpid (-1, 0x[f]+, WNOHANG) = NNNN
#endif
waitpid(-1, &status, -1);
//staptest// waitpid (-1, XXXX, W[^ ]+|XXXX) = -NNNN
#endif
#ifdef GLIBC_SUPPORT
child = fork();
#if !defined(__ia64__)
// Sometimes glibc substitutes a clone() call for a fork()
// call (verified with strace).
//staptest// [[[[fork ()!!!!clone (.+, XXXX, XXXX, XXXX)]]]] = NNNN
#else
// On RHEL5 ia64, fork() gets turned into clone2().
//staptest// [[[[fork ()!!!!clone2 (.+, XXXX, XXXX, XXXX, XXXX)]]]] = NNNN
#endif
if (!child) {
sleep(1);
exit(0);
}
waitid(P_ALL, 0, &info, WEXITED);
//staptest// waitid (P_ALL, 0, XXXX, WEXITED, 0x0) = 0
/* Limit testing. */
waitid(-1, 0, &info, 0);
//staptest// waitid (0xffffffff, 0, XXXX, 0x0, 0x0) = NNNN
waitid(P_ALL, -1, &info, 0);
//staptest// waitid (P_ALL, -1, XXXX, 0x0, 0x0) = NNNN
waitid(P_ALL, 0, (siginfo_t *)-1, 0);
#ifdef __s390__
//staptest// waitid (P_ALL, 0, 0x[7]?[f]+, 0x0, 0x0) = NNNN
#else
//staptest// waitid (P_ALL, 0, 0x[f]+, 0x0, 0x0) = NNNN
#endif
waitid(P_ALL, 0, &info, -1);
//staptest// waitid (P_ALL, 0, XXXX, W[^ ]+|XXXX, 0x0) = NNNN
#endif
exit(0);
}
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