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we can use g_cpu_lockset to determine whether we are currently in the scheduling lock, and all accesses and modifications to g_cpu_lockset, g_cpu_irqlock, g_cpu_irqset are in the critical section, so we can directly operate on it. test: We can use qemu for testing. compiling make distclean -j20; ./tools/configure.sh -l qemu-armv8a:nsh_smp ;make -j20 running qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic -machine virt,virtualization=on,gic-version=3 -net none -chardev stdio,id=con,mux=on -serial chardev:con -mon chardev=con,mode=readline -kernel ./nuttx Signed-off-by: hujun5 <hujun5@xiaomi.com> |
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| .. | ||
| CMakeLists.txt | ||
| Make.defs | ||
| sem_clockwait.c | ||
| sem_destroy.c | ||
| sem_holder.c | ||
| sem_initialize.c | ||
| sem_post.c | ||
| sem_recover.c | ||
| sem_reset.c | ||
| sem_rw.c | ||
| sem_setprotocol.c | ||
| sem_tickwait.c | ||
| sem_timedwait.c | ||
| sem_timeout.c | ||
| sem_trywait.c | ||
| sem_wait.c | ||
| sem_waitirq.c | ||
| semaphore.h | ||
| spinlock.c | ||