libc: Implement call gate nx_exit()

nx_exit performs the cleanup functions, but it needs a call gate for BUILD_PROTECTED/BUILD_KERNEL.
apache · May 5, 2022 · cb19ef1 · cb19ef1
1 parent 16afdb4
commit cb19ef1
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diff --git a/include/sys/syscall_lookup.h b/include/sys/syscall_lookup.h
@@ -25,6 +25,7 @@
  */
 
 SYSCALL_LOOKUP1(_exit,                     1)
+SYSCALL_LOOKUP(nx_exit,                    1)
 SYSCALL_LOOKUP(getpid,                     0)
 SYSCALL_LOOKUP(gettid,                     0)
 

diff --git a/syscall/syscall.csv b/syscall/syscall.csv
@@ -76,6 +76,7 @@
 "nx_vsyslog","nuttx/syslog/syslog.h","","int","int","FAR const IPTR char *","FAR va_list *"
 "nxsched_get_stackinfo","nuttx/sched.h","","int","pid_t","FAR struct stackinfo_s *"
 "nxsched_get_streams","nuttx/sched.h","defined(CONFIG_FILE_STREAM)","FAR struct streamlist *"
+"nx_exit","nuttx/sched.h","","noreturn","int"
 "open","fcntl.h","","int","FAR const char *","int","...","mode_t"
 "opendir","dirent.h","","FAR DIR *","FAR const char *"
 "pgalloc", "nuttx/arch.h", "defined(CONFIG_BUILD_KERNEL)", "uintptr_t", "uintptr_t", "unsigned int"