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Diffstat (limited to 'toys/posix/ps.c')
-rw-r--r--toys/posix/ps.c139
1 files changed, 64 insertions, 75 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c
index 3b31d4b1..74ec164d 100644
--- a/toys/posix/ps.c
+++ b/toys/posix/ps.c
@@ -41,7 +41,7 @@
* TODO: iotop: Window size change: respond immediately. Why not padding
* at right edge? (Not adjusting to screen size at all? Header wraps?)
-USE_PS(NEWTOY(ps, "k(sort)*P(ppid)*aAdeflno*p(pid)*s*t*u*U*g*G*wZ[!ol][+Ae]", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE))
+USE_PS(NEWTOY(ps, "k(sort)*P(ppid)*aAdeflno*O*p(pid)*s*t*u*U*g*G*wZ[!ol][+Ae]", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE))
// stayroot because iotop needs root to read other process' proc/$$/io
USE_TOP(NEWTOY(top, ">0m" "h:k*o*p*u*s#<1=9d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE))
USE_IOTOP(NEWTOY(iotop, ">0AaKO" "h:k*o*p*u*s#<1=7d#=3<1n#<1bq", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_STAYROOT|TOYFLAG_LOCALE))
@@ -81,7 +81,8 @@ config PS
-f Full listing (-o USER:8=UID,PID,PPID,C,STIME,TTY,TIME,CMD)
-l Long listing (-o F,S,UID,PID,PPID,C,PRI,NI,ADDR,SZ,WCHAN,TTY,TIME,CMD)
- -o Output the listed FIELDs, each with optional :size and/or =title
+ -o Output FIELDs instead of defaults, each with optional :size and =title
+ -O Add FIELDS to defaults
-Z Include LABEL
Available -o FIELDs:
@@ -225,6 +226,7 @@ GLOBALS(
struct arg_list *t;
struct arg_list *s;
struct arg_list *p;
+ struct arg_list *O;
struct arg_list *o;
struct arg_list *P;
struct arg_list *k;
@@ -262,7 +264,6 @@ GLOBALS(
dev_t tty;
void *fields, *kfields;
long long ticks, bits;
- size_t header_len;
int kcount, forcek, sortpos;
int (*match_process)(long long *slot);
void (*show_process)(void *tb);
@@ -812,12 +813,10 @@ static char *parse_ko(void *data, char *type, int length)
}
// Find type
- if (*(struct strawberry **)data == TT.kfields) {
- field->reverse = 1;
- if (*type == '-') field->reverse = -1;
- else if (*type != '+') type--;
- type++;
- }
+ field->reverse = 1;
+ if (*type == '-') field->reverse = -1;
+ else if (*type != '+') type--;
+ type++;
for (i = 0; i<ARRAY_LEN(typos); i++) {
field->which = i;
for (j = 0; j<2; j++) {
@@ -838,15 +837,21 @@ static char *parse_ko(void *data, char *type, int length)
else if (typos[field->which].width<0) field->len *= -1;
dlist_add_nomalloc(data, (void *)field);
- // Print padded header for -o.
- if (*(struct strawberry **)data == TT.fields) {
- TT.header_len +=
- snprintf(toybuf + TT.header_len, sizeof(toybuf) - TT.header_len,
- " %*s" + (field == TT.fields), field->len, field->title);
- TT.bits |= 1LL<<field->which;
+ return 0;
+}
+
+long long get_headers(struct strawberry *fields, char *buf, int blen)
+{
+ long long bits = 0;
+ int len = 0;
+
+ for (; fields; fields = fields->next) {
+ len += snprintf(buf+len, blen-len, " %*s"+!bits, fields->len,
+ fields->title);
+ bits |= 1LL<<fields->which;
}
- return 0;
+ return bits;
}
// Parse -p -s -t -u -U -g -G
@@ -976,16 +981,13 @@ static struct carveup **collate(int count, struct dirtree *dt,
return tbsort;
}
-static void quick_ko(char *str, void *fields, char *err)
+static void default_ko(char *s, void *fields, char *err, struct arg_list *arg)
{
- struct arg_list al;
-
- // Display fields
- al.next = 0;
- al.arg = xstrdup(str);
- comma_args(&al, fields, err, parse_ko);
- free(al.arg);
- if (err != (char *)1) dlist_terminate(*(void **)fields);
+ struct arg_list def;
+
+ memset(&def, 0, sizeof(struct arg_list));
+ def.arg = s;
+ comma_args(arg ? arg : &def, fields, err, parse_ko);
}
static void shared_main(void)
@@ -994,7 +996,7 @@ static void shared_main(void)
TT.ticks = sysconf(_SC_CLK_TCK);
if (!TT.width) {
- TT.width = 80;
+ TT.width = (toys.which->name[1] == 's') ? 99999 : 80;
TT.height = 25;
terminal_size(&TT.width, &TT.height);
}
@@ -1014,6 +1016,7 @@ static void shared_main(void)
void ps_main(void)
{
struct dirtree *dt;
+ char *s;
int i;
if (toys.optflags&FLAG_w) TT.width = 99999;
@@ -1031,44 +1034,37 @@ void ps_main(void)
comma_args(TT.ps.k, &TT.kfields, "bad -k", parse_ko);
dlist_terminate(TT.kfields);
- // Parse manual field selection, or default/-f/-l, plus -Z,
- // constructing the header line in toybuf as we go.
- if (toys.optflags&FLAG_Z) quick_ko("LABEL", &TT.fields, (char *)1);
- if (TT.ps.o) comma_args(TT.ps.o, &TT.fields, "bad -o field", parse_ko);
- else {
- struct arg_list al;
-
- al.next = 0;
- if (toys.optflags&FLAG_f)
- al.arg = "USER:8=UID,PID,PPID,C,STIME,TTY,TIME,CMD";
- else if (toys.optflags&FLAG_l)
- al.arg = "F,S,UID,PID,PPID,C,PRI,NI,ADDR,SZ,WCHAN,TTY,TIME,CMD";
- else if (CFG_TOYBOX_ON_ANDROID)
- al.arg = "USER,PID,PPID,VSIZE,RSS,WCHAN:10,ADDR:10=PC,S,CMDLINE";
- else al.arg = "PID,TTY,TIME,CMD";
-
- comma_args(&al, &TT.fields, 0, parse_ko);
+ // Parse manual field selection, or default/-f/-l, plus -Z and -O
+ if (toys.optflags&FLAG_Z) default_ko("LABEL", &TT.fields, 0, 0);
+ if (toys.optflags&FLAG_f) s = "USER:8=UID,PID,PPID,C,STIME,TTY,TIME,CMD";
+ else if (toys.optflags&FLAG_l)
+ s = "F,S,UID,PID,PPID,C,PRI,NI,ADDR,SZ,WCHAN,TTY,TIME,CMD";
+ else if (CFG_TOYBOX_ON_ANDROID)
+ s = "USER,PID,PPID,VSIZE,RSS,WCHAN:10,ADDR:10=PC,S,NAME";
+ else s = "PID,TTY,TIME,CMD";
+ default_ko(s, &TT.fields, "bad -o", TT.ps.o);
+ if (TT.ps.O) {
+ if (TT.fields) TT.fields = ((struct strawberry *)TT.fields)->prev;
+ comma_args(TT.ps.O, &TT.fields, "bad -O", parse_ko);
+ if (TT.fields) TT.fields = ((struct strawberry *)TT.fields)->next;
}
dlist_terminate(TT.fields);
- printf("%s\n", toybuf);
- // misunderstand fields the flags say to
+ // -f and -n change the meaning of some fields
if (toys.optflags&(FLAG_f|FLAG_n)) {
struct strawberry *ever;
for (ever = TT.fields; ever; ever = ever->next) {
- int alluc = ever->which;
-
- if ((toys.optflags&FLAG_f) && alluc==PS_CMD) alluc = PS_ARGS;
- if ((toys.optflags&FLAG_n) && alluc>=PS_UID && alluc<=PS_RGROUP
- && (typos[alluc].slot&64)) alluc--;
- if (alluc != ever->which) {
- TT.bits &= 1LL<<ever->which;
- TT.bits |= 1LL<<(ever->which = alluc);
- }
+ if ((toys.optflags&FLAG_f) && ever->which==PS_CMD) ever->which = PS_ARGS;
+ if ((toys.optflags&FLAG_n) && ever->which>=PS_UID
+ && ever->which<=PS_RGROUP && (typos[ever->which].slot&64))
+ ever->which--;
}
}
+ TT.bits = get_headers(TT.fields, toybuf, sizeof(toybuf));
+ printf("%s\n", toybuf);
+
if (!(toys.optflags&FLAG_k)) TT.show_process = (void *)show_ps;
TT.match_process = ps_match_process;
dt = dirtree_read("/proc", get_ps);
@@ -1134,7 +1130,7 @@ static int merge_deltas(long long *oslot, long long *nslot)
return 1;
}
-static void top_common(char *intro, char *header,
+static void top_common(char *intro,
int (*filter)(long long *oslot, long long *nslot))
{
struct timespec ts;
@@ -1143,10 +1139,12 @@ static void top_common(char *intro, char *header,
struct carveup **tb;
int count;
} plist[2], *plold, *plnew, old, new, mix;
- char scratch[16];
+ char scratch[16], *header;
unsigned tock = 0;
int i, lines, topoff = 0, done = 0;
+ TT.bits = get_headers(TT.fields, toybuf, sizeof(toybuf));
+ header = xstrdup(toybuf);
*scratch = 0;
memset(plist, 0, sizeof(plist));
do {
@@ -1327,9 +1325,8 @@ static void top_common(char *intro, char *header,
if (!(toys.optflags&FLAG_b)) tty_reset();
}
-static char *top_setup(char *defo, char *defk)
+static void top_setup(char *defo, char *defk)
{
- char *header;
int len;
TT.top.d *= 1000;
@@ -1344,32 +1341,26 @@ static char *top_setup(char *defo, char *defk)
comma_args(TT.top.p, &TT.pp, "bad -p", parse_rest);
TT.match_process = shared_match_process;
- if (TT.top.o) comma_args(TT.top.o, &TT.fields, "-o", parse_ko);
- else quick_ko(defo, &TT.fields, (char *)1);
+ default_ko(defo, &TT.fields, "bad -o", TT.top.o);
dlist_terminate(TT.fields);
len = strlen(toybuf);
if (toybuf[len-1]!=' ' && len<sizeof(toybuf)-1) strcpy(toybuf+len, " ");
- header=xstrdup(toybuf);
// First (dummy) sort field is overwritten by setsort()
- quick_ko("-S", &TT.kfields, (char *)1);
- if (TT.top.k) comma_args(TT.top.k, &TT.kfields, "-k", parse_ko);
- else quick_ko(defk, &TT.kfields, (char *)1);
+ default_ko("-S", &TT.kfields, 0, 0);
+ default_ko(defk, &TT.kfields, "bad -k", TT.top.k);
dlist_terminate(TT.kfields);
setsort(TT.top.s-1);
-
- return header;
}
void top_main(void)
{
// usage: [-h HEADER] -o OUTPUT -k SORT
- char *header = top_setup(
- "PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,CMDLINE",
+ top_setup(
+ "PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,ARGS",
"-%CPU,-ETIME,-PID");
-
- top_common("top", header, merge_deltas);
+ top_common("top", merge_deltas);
}
#define CLEANUP_top
@@ -1385,17 +1376,15 @@ static int iotop_filter(long long *oslot, long long *nslot)
void iotop_main(void)
{
- char *s1 = 0, *s2 = 0, *header, *d = "D"+!!(toys.optflags&FLAG_A);
+ char *s1 = 0, *s2 = 0, *d = "D"+!!(toys.optflags&FLAG_A);
if (toys.optflags&FLAG_K) TT.forcek++;
- header = top_setup(
- s1 = xmprintf("PID,PR,USER,%sREAD,%sWRITE,SWAP,%sIO,COMM", d, d, d),
+ top_setup(s1 = xmprintf("PID,PR,USER,%sREAD,%sWRITE,SWAP,%sIO,COMM",d,d,d),
s2 = xmprintf("-%sIO,-ETIME,-PID",d));
free(s1);
free(s2);
-
- top_common("iotop", header, iotop_filter);
+ top_common("iotop", iotop_filter);
}
// pkill's plumbing wrap's pgrep's and thus mostly takes place in pgrep's flag
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 22:46:08 +0000