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Kernel+LibC: Remove sys$donate()

This was an old SerenityOS-specific syscall for donating the remainder
of the calling thread's time-slice to another thread within the same
process.

Now that Threading::Lock uses a pthread_mutex_t internally, we no
longer need this syscall, which allows us to get rid of a surprising
amount of unnecessary scheduler logic. :^)
This commit is contained in:
Andreas Kling 2021-07-05 23:07:18 +02:00
parent c40780d404
commit 565796ae4e
9 changed files with 2 additions and 127 deletions

View file

@ -695,12 +695,6 @@ int gettid()
return cached_tid;
}
int donate(int tid)
{
int rc = syscall(SC_donate, tid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
void sysbeep()
{
syscall(SC_beep);

View file

@ -40,7 +40,6 @@ void dump_backtrace();
int fsync(int fd);
void sysbeep();
int gettid();
int donate(int tid);
int getpagesize();
pid_t fork();
pid_t vfork();