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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
View file

@ -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);

13
src/hwdep/hwdep_hw.c
View file

@ -105,7 +105,7 @@ static snd_hwdep_ops_t snd_hwdep_hw_ops = {
int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int device, int mode)
{
int fd, ver;
int fd, ver, ret;
char filename[32];
snd_hwdep_t *hwdep;
assert(handle);
@ -120,9 +120,16 @@ int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int devi
if ((fd = open(filename, mode)) < 0)
return -errno;
}
if (ioctl(fd, SNDRV_HWDEP_IOCTL_PVERSION, &ver) < 0) {
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
ret = -errno;
close(fd);
return -errno;
return ret;
}
if (ioctl(fd, SNDRV_HWDEP_IOCTL_PVERSION, &ver) < 0) {
ret = -errno;
close(fd);
return ret;
}
if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_HWDEP_VERSION_MAX)) {
close(fd);

6
src/rawmidi/rawmidi_hw.c
View file

@ -228,6 +228,12 @@ int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
return -errno;
}
}
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
ret = -errno;
close(fd);
return ret;
}
if (ioctl(fd, SNDRV_RAWMIDI_IOCTL_PVERSION, &ver) < 0) {
ret = -errno;
SYSERR("SNDRV_RAWMIDI_IOCTL_PVERSION failed");

6
src/seq/seq_hw.c
View file

@ -447,6 +447,12 @@ int snd_seq_hw_open(snd_seq_t **handle, const char *name, int streams, int mode)
return -errno;
}
}
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
ret = -errno;
close(fd);
return ret;
}
if (ioctl(fd, SNDRV_SEQ_IOCTL_PVERSION, &ver) < 0) {
SYSERR("SNDRV_SEQ_IOCTL_PVERSION failed");
close(fd);

17
src/timer/timer_hw.c
View file

@ -161,7 +161,7 @@ static snd_timer_ops_t snd_timer_hw_ops = {
int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode)
{
int fd, ver, tmode;
int fd, ver, tmode, ret;
snd_timer_t *tmr;
struct sndrv_timer_select sel;
@ -172,9 +172,16 @@ int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int
tmode |= O_NONBLOCK;
if ((fd = open(SNDRV_FILE_TIMER, tmode)) < 0)
return -errno;
if (ioctl(fd, SNDRV_TIMER_IOCTL_PVERSION, &ver) < 0) {
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
ret = -errno;
close(fd);
return -errno;
return ret;
}
if (ioctl(fd, SNDRV_TIMER_IOCTL_PVERSION, &ver) < 0) {
ret = -errno;
close(fd);
return ret;
}
if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_TIMER_VERSION_MAX)) {
close(fd);
@ -187,9 +194,9 @@ int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int
sel.id.device = device;
sel.id.subdevice = subdevice;
if (ioctl(fd, SNDRV_TIMER_IOCTL_SELECT, &sel) < 0) {
int err = -errno;
ret = -errno;
close(fd);
return err;
return ret;
}
tmr = (snd_timer_t *) calloc(1, sizeof(snd_timer_t));
if (tmr == NULL) {