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 #include "cutils.h"
   6
   7 #include "qapi/error.h"
   8
   9 /**
  10  * qga_open_cloexec:
  11  * @name: the pathname to open
  12  * @flags: as in open()
  13  * @mode: as in open()
  14  *
  15  * A wrapper for open() function which sets O_CLOEXEC.
  16  *
  17  * On error, -1 is returned.
  18  */
  19 int qga_open_cloexec(const char *name, int flags, mode_t mode)
  20 {
  21     int ret;
  22
  23 #ifdef O_CLOEXEC
  24     ret = open(name, flags | O_CLOEXEC, mode);
  25 #else
  26     ret = open(name, flags, mode);
  27     if (ret >= 0) {
  28         qemu_set_cloexec(ret);
  29     }
  30 #endif
  31
  32     return ret;
  33 }