зеркало из https://github.com/github/ruby.git
* process.c: Unused code removed.
It seems waitpid() is universaly available on POSIX platforms. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49037 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,8 @@
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Sat Dec 27 16:54:05 2014 Tanaka Akira <akr@fsij.org>
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* process.c: Unused code removed.
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It seems waitpid() is universaly available on POSIX platforms.
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Sat Dec 27 15:08:27 2014 Eric Wong <e@80x24.org>
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* vm_core.h (rb_vm_living_threads_insert): preserve order
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100
process.c
100
process.c
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@ -738,54 +738,24 @@ pst_wcoredump(VALUE st)
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#endif
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}
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#if !defined(HAVE_WAITPID) && !defined(HAVE_WAIT4)
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#define NO_WAITPID
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static st_table *pid_tbl;
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struct wait_data {
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rb_pid_t pid;
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int status;
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};
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static int
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wait_each(rb_pid_t pid, int status, struct wait_data *data)
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{
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if (data->status != -1) return ST_STOP;
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data->pid = pid;
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data->status = status;
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return ST_DELETE;
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}
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static int
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waitall_each(rb_pid_t pid, int status, VALUE ary)
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{
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rb_last_status_set(status, pid);
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rb_ary_push(ary, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get()));
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return ST_DELETE;
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}
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#else
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struct waitpid_arg {
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rb_pid_t pid;
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int flags;
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int *st;
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};
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#endif
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static void *
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rb_waitpid_blocking(void *data)
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{
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rb_pid_t result;
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#ifndef NO_WAITPID
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struct waitpid_arg *arg = data;
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#endif
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#if defined NO_WAITPID
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result = wait(data);
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#elif defined HAVE_WAITPID
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#if defined HAVE_WAITPID
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result = waitpid(arg->pid, arg->st, arg->flags);
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#else /* HAVE_WAIT4 */
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#elif defined HAVE_WAIT4
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result = wait4(arg->pid, arg->st, arg->flags, NULL);
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#else
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# error waitpid or wait4 is required.
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#endif
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return (void *)(VALUE)result;
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@ -795,7 +765,6 @@ rb_pid_t
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rb_waitpid(rb_pid_t pid, int *st, int flags)
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{
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rb_pid_t result;
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#ifndef NO_WAITPID
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struct waitpid_arg arg;
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retry:
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@ -811,48 +780,6 @@ rb_waitpid(rb_pid_t pid, int *st, int flags)
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}
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return (rb_pid_t)-1;
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}
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#else /* NO_WAITPID */
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if (pid_tbl) {
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st_data_t status, piddata = (st_data_t)pid;
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if (pid == (rb_pid_t)-1) {
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struct wait_data data;
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data.pid = (rb_pid_t)-1;
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data.status = -1;
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st_foreach(pid_tbl, wait_each, (st_data_t)&data);
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if (data.status != -1) {
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rb_last_status_set(data.status, data.pid);
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return data.pid;
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}
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}
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else if (st_delete(pid_tbl, &piddata, &status)) {
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rb_last_status_set(*st = (int)status, pid);
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return pid;
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}
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}
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if (flags) {
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rb_raise(rb_eArgError, "can't do waitpid with flags");
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}
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for (;;) {
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result = (rb_pid_t)(VALUE)rb_thread_blocking_region(rb_waitpid_blocking,
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st, RUBY_UBF_PROCESS, 0);
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if (result < 0) {
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if (errno == EINTR) {
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rb_thread_schedule();
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continue;
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}
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return (rb_pid_t)-1;
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}
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if (result == pid || pid == (rb_pid_t)-1) {
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break;
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}
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if (!pid_tbl)
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pid_tbl = st_init_numtable();
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st_insert(pid_tbl, pid, (st_data_t)st);
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if (!rb_thread_alone()) rb_thread_schedule();
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}
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#endif
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if (result > 0) {
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rb_last_status_set(*st, result);
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}
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@ -1001,34 +928,15 @@ proc_waitall(void)
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rb_secure(2);
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result = rb_ary_new();
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#ifdef NO_WAITPID
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if (pid_tbl) {
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st_foreach(pid_tbl, waitall_each, result);
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}
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#else
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rb_last_status_clear();
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#endif
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for (pid = -1;;) {
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#ifdef NO_WAITPID
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pid = wait(&status);
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#else
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pid = rb_waitpid(-1, &status, 0);
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#endif
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if (pid == -1) {
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if (errno == ECHILD)
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break;
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#ifdef NO_WAITPID
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if (errno == EINTR) {
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rb_thread_schedule();
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continue;
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}
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#endif
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rb_sys_fail(0);
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}
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#ifdef NO_WAITPID
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rb_last_status_set(status, pid);
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#endif
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rb_ary_push(result, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get()));
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}
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return result;
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