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syscalls: umask
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@@ -133,10 +133,10 @@ index 0000000..e5b087a
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+
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diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
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new file mode 100644
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index 0000000..569f811
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index 0000000..74cb539
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--- /dev/null
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+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
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@@ -0,0 +1,343 @@
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@@ -0,0 +1,350 @@
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+#include <bits/ensure.h>
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+#include <mlibc/debug.hpp>
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+#include <mlibc/all-sysdeps.hpp>
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@@ -211,6 +211,13 @@ index 0000000..569f811
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+ return 0;
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+ }
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+
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+ int sys_umask(mode_t mode, mode_t *old) {
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+ long ret;
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+ long error = syscall(SYSCALL_UMASK, &ret, mode);
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+ *old = ret;
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+ return error;
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+ }
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+
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+ int sys_fchmod(int fd, mode_t mode) {
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+ long ret;
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+ return syscall(SYSCALL_FCHMOD, &ret, fd, mode);
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@@ -499,10 +506,10 @@ index 0000000..990eca0
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+#endif
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diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
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new file mode 100644
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index 0000000..d058baa
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index 0000000..7f39915
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--- /dev/null
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+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
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@@ -0,0 +1,56 @@
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@@ -0,0 +1,57 @@
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+#ifndef _SYSCALL_H_INCLUDE
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+#define _SYSCALL_H_INCLUDE
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+
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@@ -539,6 +546,7 @@ index 0000000..d058baa
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+#define SYSCALL_READLINKAT 30
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+#define SYSCALL_FCHMOD 31
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+#define SYSCALL_FCHMODAT 32
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+#define SYSCALL_UMASK 33
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+
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+#include <stddef.h>
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+#include <stdint.h>
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