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libc: Call pthread_exit in user-space by up_pthread_exit

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Drop to user-space in kernel/protected build with up_pthread_exit,
now all pthread_cleanup functions executed in user mode.

* A new syscall SYS_pthread_exit added
* A new tcb flag TCB_FLAG_CANCEL_DOING added
* up_pthread_exit implemented for riscv/arm arch

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi
2021-05-08 18:20:02 +08:00
committed by patacongo
parent 81a01d089b
commit f4a0b7aedd
90 changed files with 533 additions and 118 deletions
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include/sys/syscall_lookup.h
+1 -1
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@@ -305,7 +305,7 @@ SYSCALL_LOOKUP(telldir, 1)
SYSCALL_LOOKUP(pthread_cond_broadcast, 1)
SYSCALL_LOOKUP(pthread_cond_signal, 1)
SYSCALL_LOOKUP(pthread_cond_wait, 2)
SYSCALL_LOOKUP(nx_pthread_create, 5)
SYSCALL_LOOKUP(nx_pthread_create, 6)
SYSCALL_LOOKUP(pthread_detach, 1)
SYSCALL_LOOKUP(nx_pthread_exit, 1)
SYSCALL_LOOKUP(pthread_getschedparam, 3)