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73 lines
1.8 KiB
73 lines
1.8 KiB
/* |
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sys_linux.c - Linux system utils |
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Copyright (C) 2018 a1batross |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#include <time.h> |
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#include <stdlib.h> |
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#include <fcntl.h> |
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#include "platform/platform.h" |
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#if XASH_TIMER == TIMER_LINUX |
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double Platform_DoubleTime( void ) |
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{ |
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static longtime_t g_PerformanceFrequency; |
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static longtime_t g_ClockStart; |
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longtime_t CurrentTime; |
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struct timespec ts; |
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if( !g_PerformanceFrequency ) |
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{ |
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struct timespec res; |
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if( !clock_getres(CLOCK_MONOTONIC, &res) ) |
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g_PerformanceFrequency = 1000000000LL/res.tv_nsec; |
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} |
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clock_gettime(CLOCK_MONOTONIC, &ts); |
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return (double) ts.tv_sec + (double) ts.tv_nsec/1000000000.0; |
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} |
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void Platform_Sleep( int msec ) |
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{ |
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usleep( msec * 1000 ); |
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} |
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#endif // XASH_TIMER == TIMER_LINUX |
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qboolean Sys_DebuggerPresent( void ) |
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{ |
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char buf[1024]; |
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int status_fd = open( "/proc/self/status", O_RDONLY ); |
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if ( status_fd == -1 ) |
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return 0; |
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ssize_t num_read = read( status_fd, buf, sizeof( buf ) ); |
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if ( num_read > 0 ) |
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{ |
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static const char TracerPid[] = "TracerPid:"; |
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const byte *tracer_pid; |
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buf[num_read] = 0; |
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tracer_pid = (const byte*)Q_strstr( buf, TracerPid ); |
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if( !tracer_pid ) |
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return false; |
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//printf( "%s\n", tracer_pid ); |
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while( *tracer_pid < '0' || *tracer_pid > '9' ) |
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if( *tracer_pid++ == '\n' ) |
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return false; |
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//printf( "%s\n", tracer_pid ); |
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return !!Q_atoi( (const char*)tracer_pid ); |
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} |
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return false; |
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}
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