diff options
Diffstat (limited to '05/musl-0.6.0/src/linux/wait4.c')
| -rw-r--r-- | 05/musl-0.6.0/src/linux/wait4.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/05/musl-0.6.0/src/linux/wait4.c b/05/musl-0.6.0/src/linux/wait4.c new file mode 100644 index 0000000..5dd505a --- /dev/null +++ b/05/musl-0.6.0/src/linux/wait4.c @@ -0,0 +1,18 @@ +#include <sys/wait.h> +#include <sys/resource.h> +#include <string.h> +#include "syscall.h" + +pid_t wait4(pid_t pid, int *status, int options, struct rusage *usage) +{ + pid_t ret = syscall4(__NR_wait4, pid, (long)status, options, (long)usage); + /* Fixup kernel time_t... */ + if (usage) { + long kusage[4]; + memcpy(kusage, usage, sizeof kusage); + memmove((struct timeval *)usage + 2, (long *)usage + 4, sizeof *usage - 2*sizeof(struct timeval)); + usage->ru_utime = (struct timeval){ kusage[0], kusage[1] }; + usage->ru_stime = (struct timeval){ kusage[2], kusage[3] }; + } + return ret; +} |