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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-18 07:44:51 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-18 07:44:51 +0000
commit115a3d21e49a887f615b2b85c3eb4dd11701ab51 (patch)
treef50c0942f11decea605b64558b714075584d897b /process.c
parent6e0c6ac3be8069e939748b00febcf4411ce905cb (diff)
* eval_error.ci (ruby_error_print): call error_print.
* eval_jump.ci, process.c (rb_exit, rb_f_exit, rb_f_abort): moved. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'process.c')
-rw-r--r--process.c157
1 files changed, 141 insertions, 16 deletions
diff --git a/process.c b/process.c
index fe954601b0..a246cf9d47 100644
--- a/process.c
+++ b/process.c
@@ -12,6 +12,9 @@
**********************************************************************/
+#ifdef linux
+#define _GNU_SOURCE 1
+#endif
#include "ruby/ruby.h"
#include "ruby/signal.h"
#include "vm_core.h"
@@ -829,33 +832,32 @@ proc_waitall(void)
if (pid_tbl) {
st_foreach(pid_tbl, waitall_each, result);
}
+#else
+ rb_last_status_clear();
+#endif
for (pid = -1;;) {
+#ifdef NO_WAITPID
pid = wait(&status);
+#else
+ pid = rb_waitpid(-1, &status, 0);
+#endif
if (pid == -1) {
if (errno == ECHILD)
break;
+#ifdef NO_WAITPID
if (errno == EINTR) {
rb_thread_schedule();
continue;
}
+#endif
rb_sys_fail(0);
}
+#ifdef NO_WAITPID
rb_last_status_set(status, pid);
+#endif
rb_ary_push(result, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get()));
}
-#else
- rb_last_status_clear();
- for (pid = -1;;) {
- pid = rb_waitpid(-1, &status, 0);
- if (pid == -1) {
- if (errno == ECHILD)
- break;
- rb_sys_fail(0);
- }
- rb_ary_push(result, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get()));
- }
-#endif
return result;
}
@@ -1082,8 +1084,8 @@ rb_proc_exec(const char *str)
ss = ALLOCA_N(char, s-str+1);
memcpy(ss, str, s-str);
ss[s-str] = '\0';
- if (*a++ = strtok(ss, " \t")) {
- while (t = strtok(NULL, " \t")) {
+ if ((*a++ = strtok(ss, " \t")) != 0) {
+ while ((t = strtok(NULL, " \t")) != 0) {
*a++ = t;
}
*a = NULL;
@@ -1524,6 +1526,127 @@ rb_f_exit_bang(int argc, VALUE *argv, VALUE obj)
return Qnil; /* not reached */
}
+void
+rb_exit(int status)
+{
+ if (GET_THREAD()->tag) {
+ VALUE args[2];
+
+ args[0] = INT2NUM(status);
+ args[1] = rb_str_new2("exit");
+ rb_exc_raise(rb_class_new_instance(2, args, rb_eSystemExit));
+ }
+ ruby_finalize();
+ exit(status);
+}
+
+
+/*
+ * call-seq:
+ * exit(integer=0)
+ * Kernel::exit(integer=0)
+ * Process::exit(integer=0)
+ *
+ * Initiates the termination of the Ruby script by raising the
+ * <code>SystemExit</code> exception. This exception may be caught. The
+ * optional parameter is used to return a status code to the invoking
+ * environment.
+ *
+ * begin
+ * exit
+ * puts "never get here"
+ * rescue SystemExit
+ * puts "rescued a SystemExit exception"
+ * end
+ * puts "after begin block"
+ *
+ * <em>produces:</em>
+ *
+ * rescued a SystemExit exception
+ * after begin block
+ *
+ * Just prior to termination, Ruby executes any <code>at_exit</code> functions
+ * (see Kernel::at_exit) and runs any object finalizers (see
+ * ObjectSpace::define_finalizer).
+ *
+ * at_exit { puts "at_exit function" }
+ * ObjectSpace.define_finalizer("string", proc { puts "in finalizer" })
+ * exit
+ *
+ * <em>produces:</em>
+ *
+ * at_exit function
+ * in finalizer
+ */
+
+VALUE
+rb_f_exit(int argc, VALUE *argv)
+{
+ VALUE status;
+ int istatus;
+
+ rb_secure(4);
+ if (rb_scan_args(argc, argv, "01", &status) == 1) {
+ switch (status) {
+ case Qtrue:
+ istatus = EXIT_SUCCESS;
+ break;
+ case Qfalse:
+ istatus = EXIT_FAILURE;
+ break;
+ default:
+ istatus = NUM2INT(status);
+#if EXIT_SUCCESS != 0
+ if (istatus == 0)
+ istatus = EXIT_SUCCESS;
+#endif
+ break;
+ }
+ }
+ else {
+ istatus = EXIT_SUCCESS;
+ }
+ rb_exit(istatus);
+ return Qnil; /* not reached */
+}
+
+
+/*
+ * call-seq:
+ * abort
+ * Kernel::abort
+ * Process::abort
+ *
+ * Terminate execution immediately, effectively by calling
+ * <code>Kernel.exit(1)</code>. If _msg_ is given, it is written
+ * to STDERR prior to terminating.
+ */
+
+VALUE
+rb_f_abort(int argc, VALUE *argv)
+{
+ extern void ruby_error_print(void);
+
+ rb_secure(4);
+ if (argc == 0) {
+ if (!NIL_P(GET_THREAD()->errinfo)) {
+ ruby_error_print();
+ }
+ rb_exit(EXIT_FAILURE);
+ }
+ else {
+ VALUE args[2];
+
+ rb_scan_args(argc, argv, "1", &args[1]);
+ StringValue(argv[0]);
+ rb_io_puts(argc, argv, rb_stderr);
+ args[0] = INT2NUM(EXIT_FAILURE);
+ rb_exc_raise(rb_class_new_instance(2, args, rb_eSystemExit));
+ }
+ return Qnil; /* not reached */
+}
+
+
#if defined(sun)
#define signal(a,b) sigset(a,b)
#endif
@@ -3669,6 +3792,8 @@ Init_process(void)
rb_define_global_function("system", rb_f_system, -1);
rb_define_global_function("spawn", rb_f_spawn, -1);
rb_define_global_function("sleep", rb_f_sleep, -1);
+ rb_define_global_function("exit", rb_f_exit, -1);
+ rb_define_global_function("abort", rb_f_abort, -1);
rb_mProcess = rb_define_module("Process");
@@ -3689,8 +3814,8 @@ Init_process(void)
rb_define_singleton_method(rb_mProcess, "fork", rb_f_fork, 0);
rb_define_singleton_method(rb_mProcess, "spawn", rb_f_spawn, -1);
rb_define_singleton_method(rb_mProcess, "exit!", rb_f_exit_bang, -1);
- rb_define_singleton_method(rb_mProcess, "exit", rb_f_exit, -1); /* in eval.c */
- rb_define_singleton_method(rb_mProcess, "abort", rb_f_abort, -1); /* in eval.c */
+ rb_define_singleton_method(rb_mProcess, "exit", rb_f_exit, -1);
+ rb_define_singleton_method(rb_mProcess, "abort", rb_f_abort, -1);
rb_define_module_function(rb_mProcess, "kill", rb_f_kill, -1); /* in signal.c */
rb_define_module_function(rb_mProcess, "wait", proc_wait, -1);