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author | Robert Morris <[email protected]> | 2014-08-27 17:15:30 -0400 |
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committer | Robert Morris <[email protected]> | 2014-08-27 17:15:30 -0400 |
commit | 71453f72f285a17ccf0520b9dbdafdc701ff2f4a (patch) | |
tree | 978d30844e643e67a807a73db20ccc5d2823f8f2 /exec.c | |
parent | 2c56547272e43b483d560a61692f1e24926a82fb (diff) | |
download | xv6-labs-71453f72f285a17ccf0520b9dbdafdc701ff2f4a.tar.gz xv6-labs-71453f72f285a17ccf0520b9dbdafdc701ff2f4a.tar.bz2 xv6-labs-71453f72f285a17ccf0520b9dbdafdc701ff2f4a.zip |
a start at concurrent FS system calls
Diffstat (limited to 'exec.c')
-rw-r--r-- | exec.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -18,9 +18,9 @@ exec(char *path, char **argv) struct proghdr ph; pde_t *pgdir, *oldpgdir; - begin_trans(); + begin_op(); if((ip = namei(path)) == 0){ - commit_trans(); + end_op(); return -1; } ilock(ip); @@ -50,7 +50,7 @@ exec(char *path, char **argv) goto bad; } iunlockput(ip); - commit_trans(); + end_op(); ip = 0; // Allocate two pages at the next page boundary. @@ -101,7 +101,7 @@ exec(char *path, char **argv) freevm(pgdir); if(ip){ iunlockput(ip); - commit_trans(); + end_op(); } return -1; } |