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3 Commits

Author SHA1 Message Date
Michael Jones 1ac525b28b [libc] add sysconf with pagesize 
The sysconf function has many options, this patch adds the basic funtion
and the pagesize option. More options will be added in future patches.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D135409
 2022-10-10 14:51:45 -07:00
Michael Jones 1801c356f6 [libc] add syscall function 
Add the syscall wrapper function and tests. It's implemented using a
macro to guarantee the minimum number of arguments.

Reviewed By: sivachandra, lntue

Differential Revision: https://reviews.llvm.org/D134919
 2022-09-30 15:46:28 -07:00
Siva Chandra Reddy 419580c699 [libc] Add implementation of POSIX function "access". 
Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D133814
 2022-09-14 07:44:47 +00:00