Process.h Source File (original) (raw)

24#ifndef LLVM_SUPPORT_PROCESS_H

25#define LLVM_SUPPORT_PROCESS_H

32#include

33#include <system_error>

35namespace llvm {

36template class ArrayRef;

39namespace sys {

45public:

46 using Pid = int32_t;

65 else {

67 return 4096;

68 }

69 }

87 std::chrono::nanoseconds &user_time,

88 std::chrono::nanoseconds &sys_time);

100

102

103

104

105

106

107

108

109 LLVM_ABI static std::optionalstd::string

113

114 LLVM_ABI static std::optionalstd::string

117

118

119

120

121

123

124

125

126

127

128

129

130

132

133

134

135

137

138

139

140

142

143

144

145

147

148

149

150

152

153

154

156

157

158

159

160

161

163

164

165

166

167

168

170

171

172

173

175

176

177

178

180

181

182

183

184

186

187

188

189

191

192

193

194

195

196

198

199

201

202

203

205

206

208

209

210

212

213

214

215

216

217 [[noreturn]] LLVM_ABI static void Exit(int RetCode, bool NoCleanup = false);

218

219private:

220 [[noreturn]] static void ExitNoCleanup(int RetCode);

221};

222

223}

224}

225

226#endif

static cl::opt< int > PageSize("imp-null-check-page-size", cl::desc("The page size of the target in bytes"), cl::init(4096), cl::Hidden)

ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...

Tagged union holding either a T or a Error.

StringRef - Represent a constant reference to a string, i.e.

A collection of legacy interfaces for querying information about the current executing process.

Definition Process.h:44

static LLVM_ABI void UseANSIEscapeCodes(bool enable)

Enables or disables whether ANSI escape sequences are used to output colors.

static LLVM_ABI std::error_code SafelyCloseFileDescriptor(int FD)

static LLVM_ABI void GetTimeUsage(TimePoint<> &elapsed, std::chrono::nanoseconds &user_time, std::chrono::nanoseconds &sys_time)

This static function will set user_time to the amount of CPU time spent in user (non-kernel) mode and...

static LLVM_ABI std::error_code FixupStandardFileDescriptors()

static LLVM_ABI Pid getProcessId()

Get the process's identifier.

static LLVM_ABI size_t GetMallocUsage()

Return process memory usage.

static LLVM_ABI bool ColorNeedsFlush()

Whether changing colors requires the output to be flushed.

static LLVM_ABI std::optional< std::string > FindInEnvPath(StringRef EnvName, StringRef FileName, ArrayRef< std::string > IgnoreList, char Separator=EnvPathSeparator)

This function searches for an existing file in the list of directories in a PATH like environment var...

static LLVM_ABI void Exit(int RetCode, bool NoCleanup=false)

Equivalent to exit(), except when running inside a CrashRecoveryContext.

static LLVM_ABI const char * ResetColor()

Resets the terminals colors, or returns an escape sequence to do so.

static LLVM_ABI unsigned GetRandomNumber()

Get the result of a process wide random number generator.

static LLVM_ABI bool FileDescriptorIsDisplayed(int fd)

This function determines if the given file descriptor is connected to a "tty" or "console" window.

static LLVM_ABI Expected< unsigned > getPageSize()

Get the process's page size.

static LLVM_ABI const char * OutputColor(char c, bool bold, bool bg)

This function returns the colorcode escape sequences.

static LLVM_ABI const char * OutputBold(bool bg)

Same as OutputColor, but only enables the bold attribute.

static unsigned getPageSizeEstimate()

Get the process's estimated page size.

Definition Process.h:62

static LLVM_ABI unsigned StandardErrColumns()

This function determines the number of columns in the window if standard error is connected to a "tty...

static LLVM_ABI bool AreCoreFilesPrevented()

true if PreventCoreFiles has been called, false otherwise.

static LLVM_ABI std::optional< std::string > GetEnv(StringRef name)

static LLVM_ABI bool FileDescriptorHasColors(int fd)

This function determines if the given file descriptor is displayd and supports colors.

static LLVM_ABI bool StandardInIsUserInput()

This function determines if the standard input is connected directly to a user's input (keyboard prob...

static LLVM_ABI void PreventCoreFiles()

This function makes the necessary calls to the operating system to prevent core files or any other ki...

static LLVM_ABI bool StandardErrHasColors()

This function determines whether the terminal connected to standard error supports colors.

static LLVM_ABI const char * OutputReverse()

This function returns the escape sequence to reverse forground and background colors.

static LLVM_ABI bool StandardErrIsDisplayed()

This function determines if the standard error is connected to a "tty" or "console" window.

static LLVM_ABI bool StandardOutHasColors()

This function determines whether the terminal connected to standard output supports colors.

static LLVM_ABI unsigned StandardOutColumns()

This function determines the number of columns in the window if standard output is connected to a "tt...

static LLVM_ABI bool StandardOutIsDisplayed()

This function determines if the standard output is connected to a "tty" or "console" window.

int32_t Pid

Definition Process.h:46

std::chrono::time_point< std::chrono::system_clock, D > TimePoint

A time point on the system clock.

const char EnvPathSeparator

This is the OS-specific separator for PATH like environment variables:

This is an optimization pass for GlobalISel generic memory operations.

void consumeError(Error Err)

Consume a Error without doing anything.