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umask(2)

umask(2)                         System Calls                         umask(2)

NAME
       umask, getumask - set and get file creation mask

SYNOPSIS
       #include <sys/stat.h>

       mode_t umask(mode_t cmask);
       mode_t getumask(void);

DESCRIPTION
       The  umask()  function  sets  the  process's file mode creation mask to
       cmask and returns the previous value of the mask. Only the access  per‐
       mission bits of cmask and the file mode creation mask are used.


       The getumask() function returns the process's file mode creation mask.


       The  mask is inherited by child processes. See Intro(2) for more infor‐
       mation on masks.

RETURN VALUES
       The umask() function returns the previous value of the file  mode  cre‐
       ation mask.


       The getumask() function returns the current value of the file mode cre‐
       ation mask.

ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Interface  StabilityCommitted  _  MT-LevelAsync-Signal-
       Safe _ StandardSee standards(7).


SEE ALSO
       mkdir(1),  sh(1),  chmod(2),  creat(2),  Intro(2),  mknod(2),  open(2),
       stat.h(3HEAD), attributes(7), standards(7)

HISTORY
       The getumask() function was added to Oracle Solaris in Solaris 11.4.72.


       The umask() function has been included in all Sun and  Oracle  releases
       of Solaris.

Oracle Solaris 11.4               11 Mar 2024                         umask(2)
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