diff options
Diffstat (limited to 'libical/src/libical/testlocks.c')
-rw-r--r-- | libical/src/libical/testlocks.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libical/src/libical/testlocks.c b/libical/src/libical/testlocks.c deleted file mode 100644 index d3e9e55cec..0000000000 --- a/libical/src/libical/testlocks.c +++ /dev/null @@ -1,70 +0,0 @@ -/* This is just a driver to test the filerwlock objects defined in fcntl.c */ -/* MAXCHILD processes are forked. They take turns in using LOCKSSIZE locks.*/ -/* I compiled the program as follows */ -/* cc fcntlmain.c fcntl.c -o fcntlmain */ -/* and then run the image fcntlmain. */ -/* Notice that after the program has run I find the file "mylock" in my */ -/* directory. Not very desirable. Perhaps there is a way to avoid that? */ - -#include <stdio.h> -#include <sys/types.h> -#include "fcntl.h" - -#define LOCKFILE "mylock" -#define LOCKSSIZE 5 -#define MAXCHILD 4 - -void child (int self); - -pid_t cldrn[4]; -filerwlock *fl; - -int -main(void){ - int i; - - fl = filerwlockCreate(LOCKFILE, LOCKSSIZE); - - for (i=0;i < MAXCHILD; i++) { - if ((cldrn[i]=fork()) < 0) { - perror("fork"); - exit(1);} - if (cldrn[i]==0) - child(i); - } - for (i=0; i < MAXCHILD; i++) - wait(); - - filerwlockDelete(fl); - exit(0); -} - -void child (int self) { - int i, j; - char s[256]; - for (j=0; j<8; j++) { - - if (self == 0) { - filerwwritelock(fl,1); - } else if (self == (MAXCHILD-1)) { - filerwlongreadlock(fl); - } else { - filerwreadlock(fl,1); - } - - printf("Child %d starts to sleep on lock %d\n", self, 1); - - sleep(3); - - printf("Child %d ends sleep on lock %d\n", self, 1); - - if (self == (MAXCHILD-1)) { - filerwlongunlock(fl); - } else { - filerwunlock(fl,1); - } - - sleep(1); - } - exit(0); -} |