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Implement ql_syscall_sched_yield #1237

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Merged
xwings merged 1 commit into from
Oct 6, 2022
+5 −1
Merged

Implement ql_syscall_sched_yield #1237

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6 changes: 5 additions & 1 deletion qiling/os/posix/syscall/sched.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
# Cross Platform and Multi Architecture Advanced Binary Emulation Framework
#

import os
import os, gevent
from multiprocessing import Process

from qiling import Qiling
Expand Down Expand Up @@ -131,4 +131,8 @@ def ql_syscall_clone(ql: Qiling, flags: int, child_stack: int, parent_tidptr: in
return regreturn

def ql_syscall_sched_yield(ql: Qiling):
def _sched_yield(cur_thread):
gevent.sleep(0)
ql.emu_stop()
ql.os.thread_management.cur_thread.sched_cb = _sched_yield
return 0