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Diffstat (limited to 'ext/fcntl/fcntl.c')
-rw-r--r--ext/fcntl/fcntl.c109
1 files changed, 52 insertions, 57 deletions
diff --git a/ext/fcntl/fcntl.c b/ext/fcntl/fcntl.c
index ee42d2abe5..e34a3aeae3 100644
--- a/ext/fcntl/fcntl.c
+++ b/ext/fcntl/fcntl.c
@@ -28,7 +28,10 @@ pack up your own arguments to pass as args for locking functions, etc.
#include "ruby.h"
#include <fcntl.h>
-/* Fcntl loads the constants defined in the system's <fcntl.h> C header
+/*
+ * Document-module: Fcntl
+ *
+ * Fcntl loads the constants defined in the system's <fcntl.h> C header
* file, and used with both the fcntl(2) and open(2) POSIX system calls.
*
* To perform a fcntl(2) operation, use IO::fcntl.
@@ -61,13 +64,19 @@ pack up your own arguments to pass as args for locking functions, etc.
* f.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK|m)
*
*/
+
+#define FCNTL_VERSION "1.1.0"
+
void
Init_fcntl(void)
{
VALUE mFcntl = rb_define_module("Fcntl");
+
+ /* The version string. */
+ rb_define_const(mFcntl, "VERSION", rb_str_new_cstr(FCNTL_VERSION));
+
#ifdef F_DUPFD
- /* Document-const: F_DUPFD
- *
+ /*
* Duplicate a file descriptor to the minimum unused file descriptor
* greater than or equal to the argument.
*
@@ -78,182 +87,168 @@ Init_fcntl(void)
rb_define_const(mFcntl, "F_DUPFD", INT2NUM(F_DUPFD));
#endif
#ifdef F_GETFD
- /* Document-const: F_GETFD
- *
+ /*
* Read the close-on-exec flag of a file descriptor.
*/
rb_define_const(mFcntl, "F_GETFD", INT2NUM(F_GETFD));
#endif
#ifdef F_GETLK
- /* Document-const: F_GETLK
- *
+ /*
* Determine whether a given region of a file is locked. This uses one of
* the F_*LK flags.
*/
rb_define_const(mFcntl, "F_GETLK", INT2NUM(F_GETLK));
#endif
#ifdef F_SETFD
- /* Document-const: F_SETFD
- *
+ /*
* Set the close-on-exec flag of a file descriptor.
*/
rb_define_const(mFcntl, "F_SETFD", INT2NUM(F_SETFD));
#endif
#ifdef F_GETFL
- /* Document-const: F_GETFL
- *
+ /*
* Get the file descriptor flags. This will be one or more of the O_*
* flags.
*/
rb_define_const(mFcntl, "F_GETFL", INT2NUM(F_GETFL));
#endif
#ifdef F_SETFL
- /* Document-const: F_SETFL
- *
+ /*
* Set the file descriptor flags. This will be one or more of the O_*
* flags.
*/
rb_define_const(mFcntl, "F_SETFL", INT2NUM(F_SETFL));
#endif
#ifdef F_SETLK
- /* Document-const: F_SETLK
- *
+ /*
* Acquire a lock on a region of a file. This uses one of the F_*LCK
* flags.
*/
rb_define_const(mFcntl, "F_SETLK", INT2NUM(F_SETLK));
#endif
#ifdef F_SETLKW
- /* Document-const: F_SETLKW
- *
+ /*
* Acquire a lock on a region of a file, waiting if necessary. This uses
* one of the F_*LCK flags
*/
rb_define_const(mFcntl, "F_SETLKW", INT2NUM(F_SETLKW));
#endif
#ifdef FD_CLOEXEC
- /* Document-const: FD_CLOEXEC
- *
+ /*
* the value of the close-on-exec flag.
*/
rb_define_const(mFcntl, "FD_CLOEXEC", INT2NUM(FD_CLOEXEC));
#endif
#ifdef F_RDLCK
- /* Document-const: F_RDLCK
- *
+ /*
* Read lock for a region of a file
*/
rb_define_const(mFcntl, "F_RDLCK", INT2NUM(F_RDLCK));
#endif
#ifdef F_UNLCK
- /* Document-const: F_UNLCK
- *
+ /*
* Remove lock for a region of a file
*/
rb_define_const(mFcntl, "F_UNLCK", INT2NUM(F_UNLCK));
#endif
#ifdef F_WRLCK
- /* Document-const: F_WRLCK
- *
+ /*
* Write lock for a region of a file
*/
rb_define_const(mFcntl, "F_WRLCK", INT2NUM(F_WRLCK));
#endif
#ifdef F_SETPIPE_SZ
- /* Document-const: F_SETPIPE_SZ
- *
+ /*
* Change the capacity of the pipe referred to by fd to be at least arg bytes.
*/
rb_define_const(mFcntl, "F_SETPIPE_SZ", INT2NUM(F_SETPIPE_SZ));
#endif
#ifdef F_GETPIPE_SZ
- /* Document-const: F_GETPIPE_SZ
- *
+ /*
* Return (as the function result) the capacity of the pipe referred to by fd.
*/
rb_define_const(mFcntl, "F_GETPIPE_SZ", INT2NUM(F_GETPIPE_SZ));
#endif
#ifdef O_CREAT
- /* Document-const: O_CREAT
- *
+ /*
* Create the file if it doesn't exist
*/
rb_define_const(mFcntl, "O_CREAT", INT2NUM(O_CREAT));
#endif
#ifdef O_EXCL
- /* Document-const: O_EXCL
- *
+ /*
* Used with O_CREAT, fail if the file exists
*/
rb_define_const(mFcntl, "O_EXCL", INT2NUM(O_EXCL));
#endif
#ifdef O_NOCTTY
- /* Document-const: O_NOCTTY
- *
+ /*
* Open TTY without it becoming the controlling TTY
*/
rb_define_const(mFcntl, "O_NOCTTY", INT2NUM(O_NOCTTY));
#endif
#ifdef O_TRUNC
- /* Document-const: O_TRUNC
- *
+ /*
* Truncate the file on open
*/
rb_define_const(mFcntl, "O_TRUNC", INT2NUM(O_TRUNC));
#endif
#ifdef O_APPEND
- /* Document-const: O_APPEND
- *
+ /*
* Open the file in append mode
*/
rb_define_const(mFcntl, "O_APPEND", INT2NUM(O_APPEND));
#endif
#ifdef O_NONBLOCK
- /* Document-const: O_NONBLOCK
- *
+ /*
* Open the file in non-blocking mode
*/
rb_define_const(mFcntl, "O_NONBLOCK", INT2NUM(O_NONBLOCK));
#endif
#ifdef O_NDELAY
- /* Document-const: O_NDELAY
- *
+ /*
* Open the file in non-blocking mode
*/
rb_define_const(mFcntl, "O_NDELAY", INT2NUM(O_NDELAY));
#endif
#ifdef O_RDONLY
- /* Document-const: O_RDONLY
- *
+ /*
* Open the file in read-only mode
*/
rb_define_const(mFcntl, "O_RDONLY", INT2NUM(O_RDONLY));
#endif
#ifdef O_RDWR
- /* Document-const: O_RDWR
- *
+ /*
* Open the file in read-write mode
*/
rb_define_const(mFcntl, "O_RDWR", INT2NUM(O_RDWR));
#endif
#ifdef O_WRONLY
- /* Document-const: O_WRONLY
- *
+ /*
* Open the file in write-only mode.
*/
rb_define_const(mFcntl, "O_WRONLY", INT2NUM(O_WRONLY));
#endif
-#ifdef O_ACCMODE
- /* Document-const: O_ACCMODE
- *
+#ifndef O_ACCMODE
+ int O_ACCMODE = (O_RDONLY | O_WRONLY | O_RDWR);
+#endif
+ /*
* Mask to extract the read/write flags
*/
rb_define_const(mFcntl, "O_ACCMODE", INT2FIX(O_ACCMODE));
-#else
- /* Document-const: O_ACCMODE
- *
- * Mask to extract the read/write flags
+#ifdef F_DUP2FD
+ /*
+ * It is a FreeBSD specific constant and equivalent
+ * to dup2 call.
+ */
+ rb_define_const(mFcntl, "F_DUP2FD", INT2NUM(F_DUP2FD));
+#endif
+#ifdef F_DUP2FD_CLOEXEC
+ /*
+ * It is a FreeBSD specific constant and acts
+ * similarly as F_DUP2FD but set the FD_CLOEXEC
+ * flag in addition.
*/
- rb_define_const(mFcntl, "O_ACCMODE", INT2FIX(O_RDONLY | O_WRONLY | O_RDWR));
+ rb_define_const(mFcntl, "F_DUP2FD_CLOEXEC", INT2NUM(F_DUP2FD_CLOEXEC));
#endif
}