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win32.c: rb_w32_dup2

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* win32/win32.c (rb_w32_dup2): extract from rb_cloexec_dup2() and
  redirect_dup2().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43890 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-11-28 07:15:56 +00:00
parent b3ffb68b5b
commit 21f81885ab
5 changed files with 34 additions and 16 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Thu Nov 28 16:15:47 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* win32/win32.c (rb_w32_dup2): extract from rb_cloexec_dup2() and
redirect_dup2().
Tue Nov 28 14:40:00 2013 Akira Matsuda <ronnie@dio.jp>
* lib/drb/ssl.rb: [Doc] Fix typo

4
include/ruby/win32.h
View file

@ -346,6 +346,7 @@ extern int rb_w32_access(const char *, int);
extern int rb_w32_uaccess(const char *, int);
extern char rb_w32_fd_is_text(int);
extern int rb_w32_fstati64(int, struct stati64 *);
extern int rb_w32_dup2(int, int);
#ifdef __BORLANDC__
extern off_t _lseeki64(int, off_t, int);
@ -734,6 +735,9 @@ extern char *rb_w32_strerror(int);
#undef times
#define times(t) rb_w32_times(t)
#undef dup2
#define dup2(o, n) rb_w32_dup2(o, n)
#endif
struct tms {

4
io.c
View file

@ -275,10 +275,6 @@ rb_cloexec_dup2(int oldfd, int newfd)
}
#else
ret = dup2(oldfd, newfd);
# ifdef _WIN32
if (newfd >= 0 && newfd <= 2)
SetStdHandle(newfd == 0 ? STD_INPUT_HANDLE : newfd == 1 ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE, (HANDLE)rb_w32_get_osfhandle(newfd));
# endif
#endif
if (ret == -1) return -1;
}

14
process.c
View file

@ -2500,28 +2500,16 @@ redirect_dup(int oldfd)
ttyprintf("dup(%d) => %d\n", oldfd, ret);
return ret;
}
#else
#define redirect_dup(oldfd) dup(oldfd)
#endif
#if defined(DEBUG_REDIRECT) || defined(_WIN32)
static int
redirect_dup2(int oldfd, int newfd)
{
int ret;
ret = dup2(oldfd, newfd);
if (newfd >= 0 && newfd <= 2)
SetStdHandle(newfd == 0 ? STD_INPUT_HANDLE : newfd == 1 ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE, (HANDLE)rb_w32_get_osfhandle(newfd));
#if defined(DEBUG_REDIRECT)
ttyprintf("dup2(%d, %d)\n", oldfd, newfd);
#endif
return ret;
}
#else
#define redirect_dup2(oldfd, newfd) dup2((oldfd), (newfd))
#endif
#if defined(DEBUG_REDIRECT)
static int
redirect_close(int fd)
{
@ -2541,6 +2529,8 @@ redirect_open(const char *pathname, int flags, mode_t perm)
}
#else
#define redirect_dup(oldfd) dup(oldfd)
#define redirect_dup2(oldfd, newfd) dup2((oldfd), (newfd))
#define redirect_close(fd) close(fd)
#define redirect_open(pathname, flags, perm) open((pathname), (flags), (perm))
#endif

23
win32/win32.c
View file

@ -79,6 +79,7 @@ static char *w32_getenv(const char *name, UINT cp);
#undef fclose
#undef close
#undef setsockopt
#undef dup2
#if defined __BORLANDC__
# define _filbuf _fgetc
@ -5465,6 +5466,28 @@ rb_w32_getppid(void)
return ppid;
}
STATIC_ASSERT(std_handle, (STD_OUTPUT_HANDLE-STD_INPUT_HANDLE)==(STD_ERROR_HANDLE-STD_OUTPUT_HANDLE));
/* License: Ruby's */
#define set_new_std_handle(newfd, handle) do { \
if ((unsigned)(newfd) > 2) break; \
SetStdHandle(STD_INPUT_HANDLE+(STD_OUTPUT_HANDLE-STD_INPUT_HANDLE)*(newfd), \
(handle)); \
} while (0)
#define set_new_std_fd(newfd) set_new_std_handle(newfd, (HANDLE)rb_w32_get_osfhandle(newfd))
/* License: Ruby's */
int
rb_w32_dup2(int oldfd, int newfd)
{
int ret;
if (oldfd == newfd) return newfd;
ret = dup2(oldfd, newfd);
set_new_std_fd(newfd);
return ret;
}
/* License: Ruby's */
int
rb_w32_uopen(const char *file, int oflag, ...)