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* include/ruby/intern.h (rb_cloexec_dup2): declared.

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* io.c (rb_cloexec_dup2): new function.
  (io_reopen): use rb_cloexec_dup2.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2011-10-29 13:11:01 +00:00
parent 195fbd18d6
commit 0a9cb21e62
3 changed files with 23 additions and 4 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Sat Oct 29 22:06:37 2011 Tanaka Akira <akr@fsij.org>
* include/ruby/intern.h (rb_cloexec_dup2): declared.
* io.c (rb_cloexec_dup2): new function.
(io_reopen): use rb_cloexec_dup2.
Sat Oct 20 21:08:18 2011 Tajima Akil <artonx@yahoo.co.jp>
* win32/Makefile.sub (CONFIG_H): have stdint.h if VC2010.

1
include/ruby/intern.h
View file

@ -504,6 +504,7 @@ int rb_pipe(int *pipes);
int rb_reserved_fd_p(int fd);
int rb_cloexec_open(const char *pathname, int flags, mode_t mode);
int rb_cloexec_dup(int oldfd);
int rb_cloexec_dup2(int oldfd, int newfd);
#define RB_RESERVED_FD_P(fd) rb_reserved_fd_p(fd)
void rb_update_max_fd(int fd);
void rb_fd_set_cloexec(int fd);

19
io.c
View file

@ -227,6 +227,17 @@ rb_cloexec_dup(int oldfd)
return ret;
}
int
rb_cloexec_dup2(int oldfd, int newfd)
{
int ret;
ret = dup2(oldfd, newfd);
if (ret == -1) return -1;
fd_set_cloexec(ret);
return ret;
}
#define argf_of(obj) (*(struct argf *)DATA_PTR(obj))
#define ARGF argf_of(argf)
@ -5870,17 +5881,17 @@ io_reopen(VALUE io, VALUE nfile)
if (fd != fd2) {
if (IS_PREP_STDIO(fptr) || fd <= 2 || !fptr->stdio_file) {
/* need to keep FILE objects of stdin, stdout and stderr */
if (dup2(fd2, fd) < 0)
if (rb_cloexec_dup2(fd2, fd) < 0)
rb_sys_fail_path(orig->pathv);
rb_fd_set_cloexec(fd);
rb_update_max_fd(fd);
}
else {
fclose(fptr->stdio_file);
fptr->stdio_file = 0;
fptr->fd = -1;
if (dup2(fd2, fd) < 0)
if (rb_cloexec_dup2(fd2, fd) < 0)
rb_sys_fail_path(orig->pathv);
rb_fd_set_cloexec(fd);
rb_update_max_fd(fd);
fptr->fd = fd;
}
rb_thread_fd_close(fd);