qga/cutils.c

   1 /*
   2  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   3  * See the COPYING file in the top-level directory.
   4  */
   5
   6 #include "qemu/osdep.h"
   7 #include "cutils.h"
   8 #include "qapi/error.h"
   9
  10 /**
  11  * qga_open_cloexec:
  12  * @name: the pathname to open
  13  * @flags: as in open()
  14  * @mode: as in open()
  15  *
  16  * A wrapper for open() function which sets O_CLOEXEC.
  17  *
  18  * On error, -1 is returned.
  19  */
  20 int qga_open_cloexec(const char *name, int flags, mode_t mode)
  21 {
  22     int ret;
  23
  24 #ifdef O_CLOEXEC
  25     ret = open(name, flags | O_CLOEXEC, mode);
  26 #else
  27     ret = open(name, flags, mode);
  28     if (ret >= 0) {
  29         qemu_set_cloexec(ret);
  30     }
  31 #endif
  32
  33     return ret;
  34 }