diff options
author | Nicholas Noll <nbnoll@eml.cc> | 2021-11-19 05:44:21 -0800 |
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committer | Nicholas Noll <nbnoll@eml.cc> | 2021-11-19 05:44:21 -0800 |
commit | 59d87ccc99f431da06a0ffab0d3e702d9ef82f48 (patch) | |
tree | e13de4f7e86cc731add3b3d3bcf3b32ce22adefc /sys/linux/src/mprotect.c | |
parent | 835dea0eb6333a9ef452881ea073bfe59d14096a (diff) |
chore: make dependence on static syscalls explicit
Diffstat (limited to 'sys/linux/src/mprotect.c')
-rw-r--r-- | sys/linux/src/mprotect.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/linux/src/mprotect.c b/sys/linux/src/mprotect.c new file mode 100644 index 0000000..6d20dc1 --- /dev/null +++ b/sys/linux/src/mprotect.c @@ -0,0 +1,14 @@ +#include "internal.h" + +int +sys·mprotect(void *addr, uintptr len, int prot) +{ + long ret; + uintptr beg, end; + + beg = (uintptr)addr & -PAGESIZE; + end = (uintptr)(addr + len + PAGESIZE-1) & -PAGESIZE; + + ret = syscall(·MProtect, beg, end-beg, prot); + return error(ret); +} |