diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c index 68d4e8d760f4..80398ec002d8 100644 --- a/sys/amd64/linux32/linux32_machdep.c +++ b/sys/amd64/linux32/linux32_machdep.c @@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include @@ -66,6 +67,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include @@ -1272,3 +1274,44 @@ linux_set_thread_area(struct thread *td, return (0); } + +int +linux_wait4(struct thread *td, struct linux_wait4_args *args) +{ + int error, options; + struct rusage ru, *rup; + struct l_rusage lru; + struct proc *p; + +#ifdef DEBUG + if (ldebug(wait4)) + printf(ARGS(wait4, "%d, %p, %d, %p"), + args->pid, (void *)args->status, args->options, + (void *)args->rusage); +#endif + + options = (args->options & (WNOHANG | WUNTRACED)); + /* WLINUXCLONE should be equal to __WCLONE, but we make sure */ + if (args->options & __WCLONE) + options |= WLINUXCLONE; + + if (args->rusage != NULL) + rup = &ru; + else + rup = NULL; + error = linux_common_wait(td, args->pid, args->status, options, rup); + if (error) + return (error); + + p = td->td_proc; + PROC_LOCK(p); + sigqueue_delete(&p->p_sigqueue, SIGCHLD); + PROC_UNLOCK(p); + + if (args->rusage != NULL) { + bsd_to_linux_rusage(rup, &lru); + error = copyout(&lru, args->rusage, sizeof(lru)); + } + + return (error); +} diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index de2b91aea701..7aa01c1a8c5b 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -847,13 +847,35 @@ linux_futimesat(struct thread *td, struct linux_futimesat_args *args) } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ -#define __WCLONE 0x80000000 +int +linux_common_wait(struct thread *td, int pid, int *status, + int options, struct rusage *ru) +{ + int error, tmpstat; + + error = kern_wait(td, pid, &tmpstat, options, ru); + if (error) + return (error); + + if (status) { + tmpstat &= 0xffff; + if (WIFSIGNALED(tmpstat)) + tmpstat = (tmpstat & 0xffffff80) | + BSD_TO_LINUX_SIGNAL(WTERMSIG(tmpstat)); + else if (WIFSTOPPED(tmpstat)) + tmpstat = (tmpstat & 0xffff00ff) | + (BSD_TO_LINUX_SIGNAL(WSTOPSIG(tmpstat)) << 8); + error = copyout(&tmpstat, status, sizeof(int)); + } + + return (error); +} int linux_waitpid(struct thread *td, struct linux_waitpid_args *args) { - int error, options, tmpstat; - + int options; + #ifdef DEBUG if (ldebug(waitpid)) printf(ARGS(waitpid, "%d, %p, %d"), @@ -865,77 +887,15 @@ linux_waitpid(struct thread *td, struct linux_waitpid_args *args) */ if (args->options & ~(WUNTRACED | WNOHANG | WCONTINUED | __WCLONE)) return (EINVAL); - + options = (args->options & (WNOHANG | WUNTRACED)); /* WLINUXCLONE should be equal to __WCLONE, but we make sure */ if (args->options & __WCLONE) options |= WLINUXCLONE; - error = kern_wait(td, args->pid, &tmpstat, options, NULL); - if (error) - return error; - - if (args->status) { - tmpstat &= 0xffff; - if (WIFSIGNALED(tmpstat)) - tmpstat = (tmpstat & 0xffffff80) | - BSD_TO_LINUX_SIGNAL(WTERMSIG(tmpstat)); - else if (WIFSTOPPED(tmpstat)) - tmpstat = (tmpstat & 0xffff00ff) | - (BSD_TO_LINUX_SIGNAL(WSTOPSIG(tmpstat)) << 8); - return copyout(&tmpstat, args->status, sizeof(int)); - } - - return (0); + return (linux_common_wait(td, args->pid, args->status, options, NULL)); } -int -linux_wait4(struct thread *td, struct linux_wait4_args *args) -{ - int error, options, tmpstat; - struct rusage ru, *rup; - struct proc *p; - -#ifdef DEBUG - if (ldebug(wait4)) - printf(ARGS(wait4, "%d, %p, %d, %p"), - args->pid, (void *)args->status, args->options, - (void *)args->rusage); -#endif - - options = (args->options & (WNOHANG | WUNTRACED)); - /* WLINUXCLONE should be equal to __WCLONE, but we make sure */ - if (args->options & __WCLONE) - options |= WLINUXCLONE; - - if (args->rusage != NULL) - rup = &ru; - else - rup = NULL; - error = kern_wait(td, args->pid, &tmpstat, options, rup); - if (error) - return error; - - p = td->td_proc; - PROC_LOCK(p); - sigqueue_delete(&p->p_sigqueue, SIGCHLD); - PROC_UNLOCK(p); - - if (args->status) { - tmpstat &= 0xffff; - if (WIFSIGNALED(tmpstat)) - tmpstat = (tmpstat & 0xffffff80) | - BSD_TO_LINUX_SIGNAL(WTERMSIG(tmpstat)); - else if (WIFSTOPPED(tmpstat)) - tmpstat = (tmpstat & 0xffff00ff) | - (BSD_TO_LINUX_SIGNAL(WSTOPSIG(tmpstat)) << 8); - error = copyout(&tmpstat, args->status, sizeof(int)); - } - if (args->rusage != NULL && error == 0) - error = copyout(&ru, args->rusage, sizeof(ru)); - - return (error); -} int linux_mknod(struct thread *td, struct linux_mknod_args *args) diff --git a/sys/compat/linux/linux_misc.h b/sys/compat/linux/linux_misc.h index 5d4afc279d3a..c7ac5ac1ef73 100644 --- a/sys/compat/linux/linux_misc.h +++ b/sys/compat/linux/linux_misc.h @@ -67,4 +67,9 @@ extern const char *linux_platform; extern int stclohz; +#define __WCLONE 0x80000000 + +int linux_common_wait(struct thread *td, int pid, int *status, + int options, struct rusage *ru); + #endif /* _LINUX_MISC_H_ */ diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c index 640087520b67..2c6c57b62796 100644 --- a/sys/i386/linux/linux_machdep.c +++ b/sys/i386/linux/linux_machdep.c @@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include @@ -1312,3 +1313,40 @@ linux_mq_getsetattr(struct thread *td, struct linux_mq_getsetattr_args *args) #endif } +int +linux_wait4(struct thread *td, struct linux_wait4_args *args) +{ + int error, options; + struct rusage ru, *rup; + struct proc *p; + +#ifdef DEBUG + if (ldebug(wait4)) + printf(ARGS(wait4, "%d, %p, %d, %p"), + args->pid, (void *)args->status, args->options, + (void *)args->rusage); +#endif + + options = (args->options & (WNOHANG | WUNTRACED)); + /* WLINUXCLONE should be equal to __WCLONE, but we make sure */ + if (args->options & __WCLONE) + options |= WLINUXCLONE; + + if (args->rusage != NULL) + rup = &ru; + else + rup = NULL; + error = linux_common_wait(td, args->pid, args->status, options, rup); + if (error) + return (error); + + p = td->td_proc; + PROC_LOCK(p); + sigqueue_delete(&p->p_sigqueue, SIGCHLD); + PROC_UNLOCK(p); + + if (args->rusage != NULL) + error = copyout(&ru, args->rusage, sizeof(ru)); + + return (error); +}