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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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2
include/pthread.h
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@ -225,6 +225,8 @@ typedef FAR void *pthread_addr_t;
typedef CODE pthread_addr_t (*pthread_startroutine_t)(pthread_addr_t);
typedef pthread_startroutine_t pthread_func_t;
typedef void (*pthread_exitroutine_t)(pthread_addr_t);
typedef void (*pthread_trampoline_t)(pthread_startroutine_t, pthread_addr_t);
struct pthread_attr_s