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Diffstat (limited to '')
-rw-r--r-- | user/progW.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/user/progW.c b/user/progW.c deleted file mode 100644 index b71ec23..0000000 --- a/user/progW.c +++ /dev/null @@ -1,61 +0,0 @@ -#include <common.h> - -/** -** User function W: exit, sleep, write, getpid, gettime -** -** Reports its presence, then iterates 'n' times printing identifying -** information and sleeping, before exiting. -** -** Invoked as: userW x [ n [ s ] ] -** where x is the ID character -** n is the iteration count (defaults to 20) -** s is the sleep time (defaults to 3 seconds) -*/ - -USERMAIN(main) -{ - int count = 20; // default iteration count - char ch = 'w'; // default character to print - int nap = 3; // nap length - char buf[128]; - - // process the command-line arguments - switch (argc) { - case 4: - nap = str2int(argv[3], 10); - // FALL THROUGH - case 3: - count = str2int(argv[2], 10); - // FALL THROUGH - case 2: - ch = argv[1][0]; - break; - default: - sprint(buf, "userW: 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 - int pid = getpid(); - uint32_t now = gettime(); - sprint(buf, " %c[%d,%u]", ch, pid, now); - swrites(buf); - - write(CHAN_SIO, &ch, 1); - - for (int i = 0; i < count; ++i) { - now = gettime(); - sprint(buf, " %c[%d,%u] ", ch, pid, now); - swrites(buf); - sleep(SEC_TO_MS(nap)); - } - - exit(0); - - return (42); // shut the compiler up! -} |