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top: fixed wrong comment, made error message more clear

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This commit is contained in:
Denis Vlasenko 2006-09-09 12:55:02 +00:00
parent 0c45bb23d2
commit 42dfcd2612
1 changed files with 6 additions and 10 deletions
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16
procps/top.c
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@ -76,7 +76,7 @@ static int mult_lvl_cmp(void* a, void* b) {
}
/* This structure stores some critical information from one frame to
the next. mostly used for sorting. Added cumulative and resident fields. */
the next. Mostly used for sorting. */
struct save_hist {
int ticks;
int pid;
@ -108,7 +108,7 @@ static void get_jiffy_counts(void)
if (fscanf(fp, "cpu %lld %lld %lld %lld %lld %lld %lld %lld",
&jif.usr,&jif.nic,&jif.sys,&jif.idle,
&jif.iowait,&jif.irq,&jif.softirq,&jif.steal) < 4) {
bb_error_msg_and_die("failed to read 'stat'");
bb_error_msg_and_die("failed to read /proc/stat");
}
fclose(fp);
jif.total = jif.usr + jif.nic + jif.sys + jif.idle
@ -392,22 +392,18 @@ int top_main(int argc, char **argv)
#endif /* CONFIG_FEATURE_USE_TERMIOS */
/* do normal option parsing */
interval = 5;
opt = bb_getopt_ulflags(argc, argv, "d:", &sinterval);
if ((opt & 1)) {
if (opt & 1)
interval = atoi(sinterval);
} else {
/* Default update rate is 5 seconds */
interval = 5;
}
/* change to /proc */
xchdir("/proc");
#ifdef CONFIG_FEATURE_USE_TERMIOS
tcgetattr(0, (void *) &initial_settings);
memcpy(&new_settings, &initial_settings, sizeof(struct termios));
new_settings.c_lflag &= ~(ISIG | ICANON); /* unbuffered input */
/* Turn off echoing */
new_settings.c_lflag &= ~(ECHO | ECHONL);
/* unbuffered input, turn off echo */
new_settings.c_lflag &= ~(ISIG | ICANON | ECHO | ECHONL);
signal(SIGTERM, sig_catcher);
signal(SIGINT, sig_catcher);