mirror of https://github.com/xzeldon/htop.git
106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*
|
|
htop - ProcessLocksScreen.c
|
|
(C) 2020 htop dev team
|
|
Released under the GNU GPLv2, see the COPYING file
|
|
in the source distribution for its full text.
|
|
*/
|
|
|
|
#include "config.h" // IWYU pragma: keep
|
|
|
|
#include "ProcessLocksScreen.h"
|
|
|
|
#include <inttypes.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "Panel.h"
|
|
#include "Platform.h"
|
|
#include "ProvideCurses.h"
|
|
#include "Vector.h"
|
|
#include "XUtils.h"
|
|
|
|
|
|
ProcessLocksScreen* ProcessLocksScreen_new(const Process* process) {
|
|
ProcessLocksScreen* this = xMalloc(sizeof(ProcessLocksScreen));
|
|
Object_setClass(this, Class(ProcessLocksScreen));
|
|
if (Process_isThread(process))
|
|
this->pid = process->tgid;
|
|
else
|
|
this->pid = process->pid;
|
|
return (ProcessLocksScreen*) InfoScreen_init(&this->super, process, NULL, LINES - 2, " ID TYPE EXCLUSION READ/WRITE DEVICE:INODE START END FILENAME");
|
|
}
|
|
|
|
void ProcessLocksScreen_delete(Object* this) {
|
|
free(InfoScreen_done((InfoScreen*)this));
|
|
}
|
|
|
|
static void ProcessLocksScreen_draw(InfoScreen* this) {
|
|
InfoScreen_drawTitled(this, "Snapshot of file locks of process %d - %s", ((ProcessLocksScreen*)this)->pid, Process_getCommand(this->process));
|
|
}
|
|
|
|
static inline void FileLocks_Data_clear(FileLocks_Data* data) {
|
|
free(data->locktype);
|
|
free(data->exclusive);
|
|
free(data->readwrite);
|
|
free(data->filename);
|
|
}
|
|
|
|
static void ProcessLocksScreen_scan(InfoScreen* this) {
|
|
Panel* panel = this->display;
|
|
int idx = Panel_getSelectedIndex(panel);
|
|
Panel_prune(panel);
|
|
FileLocks_ProcessData* pdata = Platform_getProcessLocks(((ProcessLocksScreen*)this)->pid);
|
|
if (!pdata) {
|
|
InfoScreen_addLine(this, "This feature is not supported on your platform.");
|
|
} else if (pdata->error) {
|
|
InfoScreen_addLine(this, "Could not determine file locks.");
|
|
} else {
|
|
FileLocks_LockData* ldata = pdata->locks;
|
|
if (!ldata) {
|
|
InfoScreen_addLine(this, "No locks have been found for the selected process.");
|
|
}
|
|
while (ldata) {
|
|
FileLocks_Data* data = &ldata->data;
|
|
|
|
char entry[512];
|
|
if (ULLONG_MAX == data->end) {
|
|
xSnprintf(entry, sizeof(entry), "%10d %-10s %-10s %-10s %02x:%02x:%020"PRIu64" %20"PRIu64" %20s %s",
|
|
data->id,
|
|
data->locktype, data->exclusive, data->readwrite,
|
|
data->dev[0], data->dev[1], data->inode,
|
|
data->start, "<END OF FILE>",
|
|
data->filename ? data->filename : "<N/A>"
|
|
);
|
|
} else {
|
|
xSnprintf(entry, sizeof(entry), "%10d %-10s %-10s %-10s %02x:%02x:%020"PRIu64" %20"PRIu64" %20"PRIu64" %s",
|
|
data->id,
|
|
data->locktype, data->exclusive, data->readwrite,
|
|
data->dev[0], data->dev[1], data->inode,
|
|
data->start, data->end,
|
|
data->filename ? data->filename : "<N/A>"
|
|
);
|
|
}
|
|
|
|
InfoScreen_addLine(this, entry);
|
|
FileLocks_Data_clear(&ldata->data);
|
|
|
|
FileLocks_LockData* old = ldata;
|
|
ldata = ldata->next;
|
|
free(old);
|
|
}
|
|
}
|
|
free(pdata);
|
|
Vector_insertionSort(this->lines);
|
|
Vector_insertionSort(panel->items);
|
|
Panel_setSelected(panel, idx);
|
|
}
|
|
|
|
const InfoScreenClass ProcessLocksScreen_class = {
|
|
.super = {
|
|
.extends = Class(Object),
|
|
.delete = ProcessLocksScreen_delete
|
|
},
|
|
.scan = ProcessLocksScreen_scan,
|
|
.draw = ProcessLocksScreen_draw
|
|
};
|