[PATCH v2 1/2] vfs: Define new syscall getumask.
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STALE3835d
SUPERSEDED
From: Richard W.M. Jones <hidden>
Date: 2016-04-13 12:58:12
Also in:
lkml
Subsystem:
abi/api, the rest · Maintainer:
Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- v1 [diff vs current]
- v2 current
- v3 [diff vs current]
Define a system call for reading the current umask value. Signed-off-by: Richard W.M. Jones <redacted> --- include/linux/syscalls.h | 1 + kernel/sys.c | 5 +++++ 2 files changed, 6 insertions(+)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index d795472..e96e88f 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h@@ -659,6 +659,7 @@ asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, struct rlimit64 __user *old_rlim); asmlinkage long sys_getrusage(int who, struct rusage __user *ru); asmlinkage long sys_umask(int mask); +asmlinkage long sys_getumask(void); asmlinkage long sys_msgget(key_t key, int msgflg); asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
diff --git a/kernel/sys.c b/kernel/sys.c
index cf8ba54..9db526c 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c@@ -1649,6 +1649,11 @@ SYSCALL_DEFINE1(umask, int, mask) return mask; } +SYSCALL_DEFINE0(getumask) +{ + return current_umask(); +} + static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) { struct fd exe;
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2.7.4