diff options
author | Frans Kaashoek <[email protected]> | 2012-08-22 20:28:58 -0400 |
---|---|---|
committer | Frans Kaashoek <[email protected]> | 2012-08-22 20:28:58 -0400 |
commit | 95692c4a8cf38765bac15b05d7a898e4ac8946e8 (patch) | |
tree | 07d2fc5960381a2d7d0690f915842d2fb5170ca2 | |
parent | 432acbaf9e8817e16026bfcaaa8bca0ba7c8a6f8 (diff) | |
download | xv6-labs-95692c4a8cf38765bac15b05d7a898e4ac8946e8.tar.gz xv6-labs-95692c4a8cf38765bac15b05d7a898e4ac8946e8.tar.bz2 xv6-labs-95692c4a8cf38765bac15b05d7a898e4ac8946e8.zip |
Remove left-over from some logging plan making complete syscalls atomic
0 is not a system call (thanks to Peter Froehlich)
-rw-r--r-- | syscall.c | 4 | ||||
-rw-r--r-- | syscall.h | 1 |
2 files changed, 1 insertions, 4 deletions
@@ -129,9 +129,7 @@ syscall(void) int num; num = proc->tf->eax; - if(num >= 0 && num < SYS_open && syscalls[num]) { - proc->tf->eax = syscalls[num](); - } else if (num >= SYS_open && num < NELEM(syscalls) && syscalls[num]) { + if(num > 0 && num < NELEM(syscalls) && syscalls[num]) { proc->tf->eax = syscalls[num](); } else { cprintf("%d %s: unknown sys call %d\n", @@ -13,7 +13,6 @@ #define SYS_sbrk 12 #define SYS_sleep 13 #define SYS_uptime 14 - #define SYS_open 15 #define SYS_write 16 #define SYS_mknod 17 |