static int
acct_load(char *pn, int wr)
{
struct acct ac;
struct cmdinfo ci;
ssize_t rv;
int fd, i;
/*
* open the file
*/
fd = open(pn, wr ? O_RDWR : O_RDONLY, 0);
if (fd == -1) {
warn("open %s %s", pn, wr ? "for read/write" : "read-only");
return (-1);
}
/*
* read all we can; don't stat and open because more processes
* could exit, and we'd miss them
*/
while (1) {
/* get one accounting entry and punt if there's an error */
rv = read(fd, &ac, sizeof(struct acct));
if (rv == -1)
warn("error reading %s", pn);
else if (rv > 0 && rv < sizeof(struct acct))
warnx("short read of accounting data in %s", pn);
if (rv != sizeof(struct acct))
break;
/* decode it */
ci.ci_calls = 1;
for (i = 0; i < sizeof(ac.ac_comm) && ac.ac_comm[i] != '\0';
i++) {
unsigned char c = ac.ac_comm[i];
if (!isascii(c) || iscntrl(c)) {
ci.ci_comm[i] = '?';
ci.ci_flags |= CI_UNPRINTABLE;
} else
ci.ci_comm[i] = c;
}
if (ac.ac_flag & AFORK)
ci.ci_comm[i++] = '*';
ci.ci_comm[i++] = '\0';
ci.ci_etime = decode_comp_t(ac.ac_etime);
ci.ci_utime = decode_comp_t(ac.ac_utime);
ci.ci_stime = decode_comp_t(ac.ac_stime);
ci.ci_uid = ac.ac_uid;
ci.ci_mem = ac.ac_mem;
ci.ci_io = decode_comp_t(ac.ac_io) / AHZ;
if (!uflag) {
/* and enter it into the usracct and pacct databases */
if (sflag || (!mflag && !qflag))
pacct_add(&ci);
if (sflag || (mflag && !qflag))
usracct_add(&ci);
} else if (!qflag)
printf("%6u %12.2f cpu %12lluk mem %12llu io %s\n",
ci.ci_uid,
(ci.ci_utime + ci.ci_stime) / (double) AHZ,
ci.ci_mem, ci.ci_io, ci.ci_comm);
}
/* finally, return the file descriptor for possible truncation */
return (fd);
}
static FILE *
acct_load(const char *pn, int wr)
{
struct acctv2 ac;
struct cmdinfo ci;
ssize_t rv;
FILE *f;
int i;
/*
* open the file
*/
f = fopen(pn, wr ? "r+" : "r");
if (f == NULL) {
warn("open %s %s", pn, wr ? "for read/write" : "read-only");
return (NULL);
}
/*
* read all we can; don't stat and open because more processes
* could exit, and we'd miss them
*/
while (1) {
/* get one accounting entry and punt if there's an error */
rv = readrec_forward(f, &ac);
if (rv != 1) {
if (rv == EOF)
warn("error reading %s", pn);
break;
}
/* decode it */
ci.ci_calls = 1;
for (i = 0; i < (int)sizeof ac.ac_comm && ac.ac_comm[i] != '\0';
i++) {
char c = ac.ac_comm[i];
if (!isascii(c) || iscntrl(c)) {
ci.ci_comm[i] = '?';
ci.ci_flags |= CI_UNPRINTABLE;
} else
ci.ci_comm[i] = c;
}
if (ac.ac_flagx & AFORK)
ci.ci_comm[i++] = '*';
ci.ci_comm[i++] = '\0';
ci.ci_etime = ac.ac_etime;
ci.ci_utime = ac.ac_utime;
ci.ci_stime = ac.ac_stime;
ci.ci_uid = ac.ac_uid;
ci.ci_mem = ac.ac_mem;
ci.ci_io = ac.ac_io;
if (!uflag) {
/* and enter it into the usracct and pacct databases */
if (sflag || (!mflag && !qflag))
pacct_add(&ci);
if (sflag || (mflag && !qflag))
usracct_add(&ci);
} else if (!qflag)
printf("%6u %12.3lf cpu %12.0lfk mem %12.0lf io %s\n",
ci.ci_uid,
(ci.ci_utime + ci.ci_stime) / 1000000,
ci.ci_mem, ci.ci_io,
ci.ci_comm);
}
/* Finally, return the file stream for possible truncation. */
return (f);
}
