archive/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2025-07-07 23:41:18 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add check to std::ifstream.

Browse source
This commit is contained in:
Tom Lally 2022-09-02 15:32:15 +01:00
parent 1b88a5d149
commit 5c058ac6dd
1 changed files with 27 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/util/SystemInfo/SystemInfoLinux.cpp
View file

@ -12,12 +12,19 @@ uint64 QueryRamUsage()
long page_size = sysconf(_SC_PAGESIZE); long page_size = sysconf(_SC_PAGESIZE);
std::ifstream file("/proc/self/statm"); std::ifstream file("/proc/self/statm");
if (file)
{
file.ignore(std::numeric_limits<std::streamsize>::max(), ' '); file.ignore(std::numeric_limits<std::streamsize>::max(), ' ');
uint64 no_pages; uint64 no_pages;
file >> no_pages; file >> no_pages;
return no_pages * page_size; return no_pages * page_size;
} }
else
{
return 0;
}
}
void QueryProcTime(uint64 &out_now, uint64 &out_user, uint64 &out_kernel) void QueryProcTime(uint64 &out_now, uint64 &out_user, uint64 &out_kernel)
{ {
@ -33,6 +40,8 @@ void QueryProcTime(uint64 &out_now, uint64 &out_user, uint64 &out_kernel)
void QueryCoreTimes(uint32 count, ProcessorTime out[]) void QueryCoreTimes(uint32 count, ProcessorTime out[])
{ {
std::ifstream file("/proc/stat"); std::ifstream file("/proc/stat");
if (file)
{
file.ignore(std::numeric_limits<std::streamsize>::max(), '\n'); file.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
for (auto i = 0; i < count; ++i) for (auto i = 0; i < count; ++i)
@ -47,5 +56,10 @@ void QueryCoreTimes(uint32 count, ProcessorTime out[])
out[i].user = user + nice; out[i].user = user + nice;
} }
} }
else
{
for (auto i = 0; i < count; ++i) out[i] = { }
}
}
#endif #endif