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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibGUI: Add GFile and base class GIODevice.

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Working with the LibC API's is tedious, so let's add some comfy C++ API's.
This commit is contained in:
Andreas Kling 2019-03-17 15:54:43 +01:00
parent ef05d8cbf6
commit ce7017e1ec
Notes: sideshowbarker 2024-07-19 15:01:12 +09:00
6 changed files with 230 additions and 9 deletions
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17
Applications/ProcessManager/ProcessTableModel.cpp
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@ -1,4 +1,5 @@
#include "ProcessTableModel.h"
#include <LibGUI/GFile.h>
#include <fcntl.h>
#include <stdio.h>
#include <pwd.h>
@ -121,10 +122,11 @@ GVariant ProcessTableModel::data(const GModelIndex& index, Role role) const
void ProcessTableModel::update()
{
FILE* fp = fopen("/proc/all", "r");
if (!fp) {
perror("failed to open /proc/all");
GFile file("/proc/all");
if (!file.open(GIODevice::ReadOnly)) {
fprintf(stderr, "ProcessManager: Failed to open /proc/all: %s\n", file.error_string());
exit(1);
return;
}
unsigned last_sum_nsched = 0;
@ -134,11 +136,10 @@ void ProcessTableModel::update()
HashTable<pid_t> live_pids;
unsigned sum_nsched = 0;
for (;;) {
char buf[BUFSIZ];
char* ptr = fgets(buf, sizeof(buf), fp);
if (!ptr)
auto line = file.read_line(1024);
if (line.is_empty())
break;
auto parts = String(buf, Chomp).split(',');
auto parts = String((const char*)line.pointer(), line.size() - 1, Chomp).split(',');
if (parts.size() < 17)
break;
bool ok;
@ -178,8 +179,6 @@ void ProcessTableModel::update()
live_pids.set(pid);
}
int rc = fclose(fp);
ASSERT(rc == 0);
m_pids.clear();
Vector<pid_t> pids_to_remove;