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um: Use os_set_pdeathsig helper in winch thread/process 

Since we have a helper now, let's switch to using it. It will make
the code slightly more consistent.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241024142828.2612828-5-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Tiwei Bie 2024-10-24 22:28:28 +08:00 committed by Johannes Berg
parent c6c4adee65
commit 42b8b00c8a
1 changed files with 1 additions and 2 deletions
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3
arch/um/drivers/chan_user.c
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@ -10,7 +10,6 @@
#include <signal.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/prctl.h>
#include "chan_user.h"
#include <os.h>
#include <um_malloc.h>
@ -162,7 +161,7 @@ static __noreturn int winch_thread(void *arg)
int count;
char c = 1;
prctl(PR_SET_PDEATHSIG, SIGKILL);
os_set_pdeathsig();
pty_fd = data->pty_fd;
pipe_fd = data->pipe_fd;