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This commit is contained in:
joshuakr 2021-04-09 15:33:01 -07:00
parent fc142b4f9c
commit eac23cead2
4 changed files with 41 additions and 6 deletions
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7
client/TracyProfiler.cpp
View File

@ -270,8 +270,7 @@ static int64_t SetupHwTimer()
CpuId( regs, 0x80000007 );
if( !( regs[3] & ( 1 << 8 ) ) )
{
char buffer[32];
const char* noCheck = GetEnvVar( "TRACY_NO_INVARIANT_CHECK", buffer, sizeof(buffer) / sizeof(buffer[0]) );
const char* noCheck = GetEnvVar( "TRACY_NO_INVARIANT_CHECK" );
if( !noCheck || noCheck[0] != '1' )
{
#if defined _WIN32 || defined __CYGWIN__
@ -1264,14 +1263,14 @@ Profiler::Profiler()
char buffer[32];
#ifndef TRACY_NO_EXIT
const char* noExitEnv = GetEnvVar( "TRACY_NO_EXIT", buffer, sizeof(buffer) / sizeof(buffer[0]) );
const char* noExitEnv = GetEnvVar( "TRACY_NO_EXIT" );
if( noExitEnv && noExitEnv[0] == '1' )
{
m_noExit = true;
}
#endif
const char* userPort = GetEnvVar( "TRACY_PORT", buffer, sizeof(buffer) / sizeof(buffer[0]) );
const char* userPort = GetEnvVar( "TRACY_PORT" );
if( userPort )
{
m_userPort = atoi( userPort );

5
common/TracySocket.cpp
View File

@ -8,6 +8,7 @@
#include "TracyAlloc.hpp"
#include "TracySocket.hpp"
#include "TracySystem.hpp"
#ifdef _WIN32
# ifndef NOMINMAX
@ -454,7 +455,7 @@ static int addrinfo_and_socket_for_family( uint16_t port, int ai_family, struct
hints.ai_family = ai_family;
hints.ai_socktype = SOCK_STREAM;
#ifndef TRACY_ONLY_LOCALHOST
const char* onlyLocalhost = getenv( "TRACY_ONLY_LOCALHOST" );
const char* onlyLocalhost = GetEnvVar( "TRACY_ONLY_LOCALHOST" );
if( !onlyLocalhost || onlyLocalhost[0] != '1' )
{
hints.ai_flags = AI_PASSIVE;
@ -475,7 +476,7 @@ bool ListenSocket::Listen( uint16_t port, int backlog )
struct addrinfo* res = nullptr;
#if !defined TRACY_ONLY_IPV4 && !defined TRACY_ONLY_LOCALHOST
const char* onlyIPv4 = getenv( "TRACY_ONLY_IPV4" );
const char* onlyIPv4 = GetEnvVar( "TRACY_ONLY_IPV4" );
if( !onlyIPv4 || onlyIPv4[0] != '1' )
{
m_sock = addrinfo_and_socket_for_family( port, AF_INET6, &res );

33
common/TracySystem.cpp
View File

@ -11,6 +11,7 @@
#endif
#if defined _WIN32 || defined __CYGWIN__
# include <windows.h>
# include <malloc.h>
#else
# include <pthread.h>
# include <string.h>
@ -236,6 +237,38 @@ TRACY_API const char* GetThreadName( uint64_t id )
return buf;
}
TRACY_API const char* GetEnvVar( const char* name )
{
#if defined _WIN32 || defined __CYGWIN__
// unfortunately getenv() on Windows is just fundamentally broken. It caches the entire
// environment block once on startup, then never refreshes it again. If any environment
// strings are added or modified after startup of the CRT, those changes will not be
// seen by getenv(). This removes the possibility of an app using this SDK from
// programmatically setting any of the behaviour controlling envvars here.
//
// To work around this, we'll instead go directly to the Win32 environment strings APIs
// to get the current value.
static char buffer[1024];
DWORD const kBufferSize = DWORD(sizeof(buffer) / sizeof(buffer[0]));
DWORD count = GetEnvironmentVariableA(name, buffer, kBufferSize);
if( count == 0 )
return nullptr;
if( count >= kBufferSize )
{
char* buf = reinterpret_cast<char*>(_alloca(count + 1));
count = GetEnvironmentVariableA(name, buf, count + 1);
memcpy(buffer, buf, kBufferSize);
buffer[kBufferSize - 1] = 0;
}
return buffer;
#else
return getenv(name);
#endif
}
}
#ifdef __cplusplus

2
common/TracySystem.hpp
View File

@ -25,6 +25,8 @@ static inline uint64_t GetThreadHandle()
TRACY_API void SetThreadName( const char* name );
TRACY_API const char* GetThreadName( uint64_t id );
TRACY_API const char* GetEnvVar(const char* name);
}
#endif