Change Details

Rather than naming the syscall implementation sys_sys_exit and declaring it to return void (it doesn't return), name it sys_exit() and declare it to return int. Because exit1() is marked __dead2, clang and gcc are both fine with this change. There is an argument that this syscall could be __exit, but that would be more disruptive and seems not worth the trouble.

Rather than naming the syscall implementation sys_sys_exit and declaring it to return void (it doesn't return), name it sys_exit() and declare it to return int. Because exit1() is marked __dead2, clang and gcc are both fine with this change. This syscall should be _exit(), but that would cause the SYS_exit definition to be lost and it is widely used in the base system.

Rather than naming the syscall implementation sys_sys_exit and declaring it to return void (it doesn't return), name it sys_exit() and declare it to return int. Because exit1() is marked __dead2, clang and gcc are both fine with this change. There is an argument that thThis syscall cshould be __exit(), but that would cause the SYS_exit be more disruptivedefinition to be lost and seems not worthit is widely used in the troublebase system.