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/* COVERAGE: wait4 */
#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>
static long get_pid_max(void)
{
long pid_max = 32768; /* default */
FILE *fp = fopen("/proc/sys/kernel/pid_max", "r");
if (fp) {
fscanf(fp, "%ld", &pid_max);
fclose(fp);
}
return pid_max;
}
int
main()
{
pid_t epid = get_pid_max() + 1;
pid_t child;
wait4(epid, NULL, 0, NULL);
//staptest// wait4 (NNNN, 0x0, 0x0, 0x0) = -NNNN (ECHILD)
wait4(-1, NULL, 0, NULL);
//staptest// wait4 (-1, 0x0, 0x0, 0x0) = -NNNN (ECHILD)
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) {
int i = 0xfffff;
while (i > 0) i--;
exit(0);
}
wait4(child, (int *)-1, 0, NULL);
#ifdef __s390__
//staptest// wait4 (NNNN, 0x[7]?[f]+, 0x0, 0x0) = -NNNN (EFAULT)
#else
//staptest// wait4 (NNNN, 0x[f]+, 0x0, 0x0) = -NNNN (EFAULT)
#endif
// Just in case the failing wait4() call above didn't clean up...
wait4(child, 0, 0, NULL);
//staptest// wait4 (NNNN, 0x0, 0x0, 0x0)
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) {
int i = 0xfffff;
while (i > 0) i--;
exit(0);
}
// A -1 options value ends up looking like all options are set
// (plus a few extra).
wait4(child, NULL, -1, NULL);
//staptest// wait4 (NNNN, 0x0, .+|XXXX, 0x0) = -NNNN (EINVAL)
// Just in case the failing wait4() call above didn't clean up...
wait4(child, 0, 0, NULL);
//staptest// wait4 (NNNN, 0x0, 0x0, 0x0)
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) {
int i = 0xfffff;
while (i > 0) i--;
exit(0);
}
wait4(child, NULL, 0, (struct rusage *)-1);
#ifdef __s390__
//staptest// wait4 (NNNN, 0x0, 0x0, 0x[7]?[f]+) = -NNNN (EFAULT)
#else
//staptest// wait4 (NNNN, 0x0, 0x0, 0x[f]+) = -NNNN (EFAULT)
#endif
// Just in case the failing wait4() call above didn't clean up...
wait4(child, 0, 0, NULL);
//staptest// wait4 (NNNN, 0x0, 0x0, 0x0)
exit(0);
}
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