prefer rb_syserr_fail

* dir.c (dir_initialize, dir_read): prefer rb_syserr_fail over
  rb_sys_fail.

* io.c (ruby_dup, rb_sysopen): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56464 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 7 deletions

diff --git a/io.c b/io.c
index cba9318590..8fc0ca9247 100644
--- a/io.c
+++ b/io.c
@@ -889,11 +889,12 @@ ruby_dup(int orig)
 
     fd = rb_cloexec_dup(orig);
     if (fd < 0) {
-	if (rb_gc_for_fd(errno)) {
+	int e = errno;
+	if (rb_gc_for_fd(e)) {
 	    fd = rb_cloexec_dup(orig);
 	}
 	if (fd < 0) {
-	    rb_sys_fail(0);
+	    rb_syserr_fail(e, 0);
 	}
     }
     rb_update_max_fd(fd);
@@ -5468,11 +5469,12 @@ rb_sysopen(VALUE fname, int oflags, mode_t perm)
 
     fd = rb_sysopen_internal(&data);
     if (fd < 0) {
-	if (rb_gc_for_fd(errno)) {
+	int e = errno;
+	if (rb_gc_for_fd(e)) {
 	    fd = rb_sysopen_internal(&data);
 	}
 	if (fd < 0) {
-	    rb_sys_fail_path(fname);
+	    rb_syserr_fail_path(e, fname);
 	}
     }
     return fd;
@@ -5488,19 +5490,19 @@ rb_fdopen(int fd, const char *modestr)
 #endif
     file = fdopen(fd, modestr);
     if (!file) {
+	int e = errno;
 #if defined(__sun)
-	if (errno == 0) {
+	if (e == 0) {
 	    rb_gc();
 	    errno = 0;
 	    file = fdopen(fd, modestr);
 	}
 	else
 #endif
-	if (rb_gc_for_fd(errno)) {
+	if (rb_gc_for_fd(e)) {
 	    file = fdopen(fd, modestr);
 	}
 	if (!file) {
-	    int e = errno;
 #ifdef _WIN32
 	    if (e == 0) e = EINVAL;
 #elif defined(__sun)