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Added handling of FD_CLOEXEC flag

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This commit is contained in:
Jaroslav Kysela 2003-02-04 13:35:59 +00:00
parent e5b227961e
commit a313072961
5 changed files with 43 additions and 11 deletions
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12
src/control/control_hw.c
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@ -315,10 +315,16 @@ int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card, int mode)
if ((fd = open(filename, O_RDWR)) < 0)
return -errno;
}
if (ioctl(fd, SNDRV_CTL_IOCTL_PVERSION, &ver) < 0) {
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
err = -errno;
close(fd);
return -errno;
return err;
}
if (ioctl(fd, SNDRV_CTL_IOCTL_PVERSION, &ver) < 0) {
err = -errno;
close(fd);
return err;
}
if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_CTL_VERSION_MAX)) {
close(fd);