diff options
Diffstat (limited to '')
-rw-r--r-- | user/progJ.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/user/progJ.c b/user/progJ.c deleted file mode 100644 index a1e6310..0000000 --- a/user/progJ.c +++ /dev/null @@ -1,55 +0,0 @@ -#include <common.h> - -/** -** User function J: exit, fork, exec, write -** -** Reports, tries to spawn lots of children, then exits -** -** Invoked as: userJ x [ n ] -** where x is the ID character -** n is the number of children to spawn (defaults to 2 * N_PROCS) -*/ - -USERMAIN(main) -{ - int count = 2 * N_PROCS; // number of children to spawn - char ch = 'j'; // default character to print - char buf[128]; - - // process the command-line arguments - switch (argc) { - case 3: - count = str2int(argv[2], 10); - // FALL THROUGH - case 2: - ch = argv[1][0]; - break; - default: - sprint(buf, "userJ: argc %d, args: ", argc); - cwrites(buf); - for (int i = 0; i <= argc; ++i) { - sprint(buf, " %s", argv[argc] ? argv[argc] : "(null)"); - cwrites(buf); - } - cwrites("\n"); - } - - // announce our presence - write(CHAN_SIO, &ch, 1); - - // set up the command-line arguments - char *argsy[] = { "userY", "Y", "10", NULL }; - - for (int i = 0; i < count; ++i) { - int whom = spawn(ProgY, argsy); - if (whom < 0) { - write(CHAN_SIO, "!j!", 3); - } else { - write(CHAN_SIO, &ch, 1); - } - } - - exit(0); - - return (42); // shut the compiler up! -} |