mirror of
https://github.com/php/php-src.git
synced 2024-09-23 10:57:26 +00:00
e8cbbc0637
portability fixes. Also add configure test for HAVE_INT_8_16_32 which should solve compilation problems on AIX.
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
|
|
This file is public domain and comes with NO WARRANTY of any kind */
|
|
|
|
#define USES_TYPES
|
|
#include "mysys_priv.h"
|
|
#include "mysys_err.h"
|
|
#include <my_dir.h>
|
|
#include <errno.h>
|
|
#if defined(MSDOS) || defined(__WIN__) || defined(__EMX__)
|
|
#include <share.h>
|
|
#endif
|
|
|
|
/* Open a file */
|
|
|
|
File my_open(const char *FileName, int Flags, myf MyFlags)
|
|
/* Path-name of file */
|
|
/* Read | write .. */
|
|
/* Special flags */
|
|
{
|
|
File fd;
|
|
DBUG_ENTER("my_open");
|
|
DBUG_PRINT("my",("Name: '%s' Flags: %d MyFlags: %d",
|
|
FileName, Flags, MyFlags));
|
|
#if defined(MSDOS) || defined(__WIN__) || defined(__EMX__)
|
|
if (Flags & O_SHARE)
|
|
fd = sopen((my_string) FileName, (Flags & ~O_SHARE) | O_BINARY, SH_DENYNO,
|
|
MY_S_IREAD | MY_S_IWRITE);
|
|
else
|
|
fd = open((my_string) FileName, Flags | O_BINARY,
|
|
MY_S_IREAD | MY_S_IWRITE);
|
|
#elif !defined(NO_OPEN_3)
|
|
fd = open(FileName, Flags, my_umask); /* Normal unix */
|
|
#else
|
|
fd = open((my_string) FileName, Flags);
|
|
#endif
|
|
DBUG_RETURN(my_register_filename(fd, FileName, FILE_BY_OPEN,
|
|
EE_FILENOTFOUND, MyFlags));
|
|
} /* my_open */
|
|
|
|
|
|
/* Close a file */
|
|
|
|
int my_close(File fd, myf MyFlags)
|
|
{
|
|
int err;
|
|
DBUG_ENTER("my_close");
|
|
DBUG_PRINT("my",("fd: %d MyFlags: %d",fd, MyFlags));
|
|
|
|
pthread_mutex_lock(&THR_LOCK_open);
|
|
if ((err = close(fd)))
|
|
{
|
|
DBUG_PRINT("error",("Got error %d on close",err));
|
|
my_errno=errno;
|
|
if (MyFlags & (MY_FAE | MY_WME))
|
|
my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG),my_filename(fd),errno);
|
|
}
|
|
if ((uint) fd < MY_NFILE && my_file_info[fd].type != UNOPEN)
|
|
{
|
|
my_free(my_file_info[fd].name, MYF(0));
|
|
#if defined(THREAD) && !defined(HAVE_PREAD)
|
|
pthread_mutex_destroy(&my_file_info[fd].mutex);
|
|
#endif
|
|
my_file_info[fd].type = UNOPEN;
|
|
my_file_opened--;
|
|
}
|
|
pthread_mutex_unlock(&THR_LOCK_open);
|
|
DBUG_RETURN(err);
|
|
} /* my_close */
|
|
|
|
|
|
File my_register_filename(File fd, const char *FileName, enum file_type
|
|
type_of_file, uint error_message_number, myf MyFlags)
|
|
{
|
|
if ((int) fd >= 0)
|
|
{
|
|
if ((int) fd >= MY_NFILE)
|
|
{
|
|
#if defined(THREAD) && !defined(HAVE_PREAD)
|
|
(void) my_close(fd,MyFlags);
|
|
my_errno=EMFILE;
|
|
if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
|
|
my_error(EE_OUT_OF_FILERESOURCES, MYF(ME_BELL+ME_WAITTANG),
|
|
FileName, my_errno);
|
|
return(-1);
|
|
#else
|
|
thread_safe_increment(my_file_opened,&THR_LOCK_open);
|
|
#endif
|
|
return(fd); /* safeguard */
|
|
}
|
|
pthread_mutex_lock(&THR_LOCK_open);
|
|
if ((my_file_info[fd].name = (char*) my_strdup(FileName,MyFlags)))
|
|
{
|
|
my_file_opened++;
|
|
my_file_info[fd].type = type_of_file;
|
|
#if defined(THREAD) && !defined(HAVE_PREAD)
|
|
pthread_mutex_init(&my_file_info[fd].mutex,MY_MUTEX_INIT_FAST);
|
|
#endif
|
|
pthread_mutex_unlock(&THR_LOCK_open);
|
|
DBUG_PRINT("exit",("fd: %d",fd));
|
|
return(fd);
|
|
}
|
|
pthread_mutex_unlock(&THR_LOCK_open);
|
|
(void) my_close(fd, MyFlags);
|
|
my_errno=ENOMEM;
|
|
}
|
|
else
|
|
my_errno=errno;
|
|
DBUG_PRINT("error",("Got error %d on open",my_errno));
|
|
if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
|
|
my_error(error_message_number, MYF(ME_BELL+ME_WAITTANG),
|
|
FileName, my_errno);
|
|
return(fd);
|
|
}
|