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If threads are being used, then fork() will now acquire and release and runtime locks so that fork() may be safely used from threads. This also makes vfork() thread safe, because pthread mutexes will do nothing when the process is a child of vfork(). More torture tests have been written to confirm this all works like a charm. Additionally: - Invent hexpcpy() api - Rename nsync_malloc_() to kmalloc() - Complete posix named semaphore implementation - Make pthread_create() asynchronous signal safe - Add rm, rmdir, and touch to command interpreter builtins - Invent sigisprecious() and modify sigset functions to use it - Add unit tests for posix_spawn() attributes and fix its bugs One unresolved problem is the reclaiming of *NSYNC waiter memory in the forked child processes, within apps which have threads waiting on locks
122 lines
6.7 KiB
C
122 lines
6.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_INTRIN_DESCRIBEFLAGS_INTERNAL_H_
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#define COSMOPOLITAN_LIBC_INTRIN_DESCRIBEFLAGS_INTERNAL_H_
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#include "libc/mem/alloca.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct thatispacked DescribeFlags {
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unsigned flag;
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const char *name;
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};
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const char *DescribeFlags(char *, size_t, struct DescribeFlags *, size_t,
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const char *, unsigned);
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const char *DescribeArchPrctlCode(char[12], int);
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const char *DescribeCapability(char[20], int);
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const char *DescribeClockName(char[32], int);
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const char *DescribeDirfd(char[12], int);
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const char *DescribeDnotifyFlags(char[80], int);
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const char *DescribeErrno(char[12], int);
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const char *DescribeErrnoResult(char[12], int);
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const char *DescribeFcntlCmd(char[20], int);
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const char *DescribeFlockType(char[12], int);
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const char *DescribeFrame(char[32], int);
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const char *DescribeFutexOp(char[64], int);
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const char *DescribeHow(char[12], int);
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const char *DescribeInOutInt64(char[23], ssize_t, int64_t *);
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const char *DescribeMapFlags(char[64], int);
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const char *DescribeMapping(char[8], int, int);
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const char *DescribeNtConsoleInFlags(char[256], uint32_t);
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const char *DescribeNtConsoleOutFlags(char[128], uint32_t);
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const char *DescribeNtCreationDisposition(uint32_t);
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const char *DescribeNtFileAccessFlags(char[512], uint32_t);
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const char *DescribeNtFileFlagAttr(char[256], uint32_t);
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const char *DescribeNtFileMapFlags(char[64], uint32_t);
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const char *DescribeNtFileShareFlags(char[64], uint32_t);
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const char *DescribeNtFiletypeFlags(char[64], uint32_t);
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const char *DescribeNtLockFileFlags(char[64], uint32_t);
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const char *DescribeNtMovFileInpFlags(char[256], uint32_t);
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const char *DescribeNtPageFlags(char[64], uint32_t);
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const char *DescribeNtPipeModeFlags(char[64], uint32_t);
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const char *DescribeNtPipeOpenFlags(char[64], uint32_t);
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const char *DescribeNtProcAccessFlags(char[256], uint32_t);
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const char *DescribeNtStartFlags(char[128], uint32_t);
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const char *DescribeNtSymlinkFlags(char[64], uint32_t);
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const char *DescribeOpenFlags(char[128], int);
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const char *DescribePersonalityFlags(char[128], int);
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const char *DescribePollFlags(char[64], int);
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const char *DescribePrctlOperation(int);
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const char *DescribeProtFlags(char[48], int);
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const char *DescribePtrace(char[12], int);
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const char *DescribePtraceEvent(char[32], int);
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const char *DescribeRemapFlags(char[48], int);
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const char *DescribeRlimitName(char[20], int);
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const char *DescribeSchedPolicy(char[48], int);
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const char *DescribeSeccompOperation(int);
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const char *DescribeSiCode(char[17], int, int);
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const char *DescribeSleepFlags(char[16], int);
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const char *DescribeSockLevel(char[12], int);
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const char *DescribeSockOptname(char[32], int, int);
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const char *DescribeSocketFamily(char[12], int);
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const char *DescribeSocketProtocol(char[12], int);
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const char *DescribeSocketType(char[64], int);
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const char *DescribeStdioState(char[12], int);
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const char *DescribeStringList(char[300], char *const[]);
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const char *DescribeWhence(char[12], int);
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const char *DescribeWhichPrio(char[12], int);
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#define DescribeArchPrctlCode(x) DescribeArchPrctlCode(alloca(12), x)
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#define DescribeCapability(x) DescribeCapability(alloca(20), x)
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#define DescribeClockName(x) DescribeClockName(alloca(32), x)
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#define DescribeDirfd(x) DescribeDirfd(alloca(12), x)
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#define DescribeDnotifyFlags(x) DescribeDnotifyFlags(alloca(80), x)
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#define DescribeErrno(x) DescribeErrno(alloca(12), x)
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#define DescribeErrnoResult(x) DescribeErrnoResult(alloca(12), x)
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#define DescribeFcntlCmd(x) DescribeFcntlCmd(alloca(20), x)
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#define DescribeFlockType(x) DescribeFlockType(alloca(12), x)
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#define DescribeFrame(x) DescribeFrame(alloca(32), x)
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#define DescribeFutexOp(x) DescribeFutexOp(alloca(64), x)
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#define DescribeHow(x) DescribeHow(alloca(12), x)
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#define DescribeInOutInt64(rc, x) DescribeInOutInt64(alloca(23), rc, x)
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#define DescribeMapFlags(x) DescribeMapFlags(alloca(64), x)
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#define DescribeMapping(x, y) DescribeMapping(alloca(8), x, y)
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#define DescribeNtConsoleInFlags(x) DescribeNtConsoleInFlags(alloca(256), x)
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#define DescribeNtConsoleOutFlags(x) DescribeNtConsoleOutFlags(alloca(128), x)
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#define DescribeNtFileAccessFlags(x) DescribeNtFileAccessFlags(alloca(512), x)
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#define DescribeNtFileFlagAttr(x) DescribeNtFileFlagAttr(alloca(256), x)
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#define DescribeNtFileMapFlags(x) DescribeNtFileMapFlags(alloca(64), x)
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#define DescribeNtFileShareFlags(x) DescribeNtFileShareFlags(alloca(64), x)
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#define DescribeNtFiletypeFlags(x) DescribeNtFiletypeFlags(alloca(64), x)
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#define DescribeNtLockFileFlags(x) DescribeNtLockFileFlags(alloca(64), x)
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#define DescribeNtMovFileInpFlags(x) DescribeNtMovFileInpFlags(alloca(256), x)
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#define DescribeNtPageFlags(x) DescribeNtPageFlags(alloca(64), x)
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#define DescribeNtPipeModeFlags(x) DescribeNtPipeModeFlags(alloca(64), x)
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#define DescribeNtPipeOpenFlags(x) DescribeNtPipeOpenFlags(alloca(64), x)
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#define DescribeNtProcAccessFlags(x) DescribeNtProcAccessFlags(alloca(256), x)
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#define DescribeNtStartFlags(x) DescribeNtStartFlags(alloca(128), x)
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#define DescribeNtSymlinkFlags(x) DescribeNtSymlinkFlags(alloca(64), x)
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#define DescribeOpenFlags(x) DescribeOpenFlags(alloca(128), x)
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#define DescribePersonalityFlags(p) DescribePersonalityFlags(alloca(128), p)
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#define DescribePollFlags(p) DescribePollFlags(alloca(64), p)
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#define DescribeProtFlags(x) DescribeProtFlags(alloca(48), x)
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#define DescribePtrace(i) DescribePtrace(alloca(12), i)
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#define DescribePtraceEvent(x) DescribePtraceEvent(alloca(32), x)
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#define DescribeRemapFlags(x) DescribeRemapFlags(alloca(48), x)
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#define DescribeRlimitName(rl) DescribeRlimitName(alloca(20), rl)
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#define DescribeSchedPolicy(x) DescribeSchedPolicy(alloca(48), x)
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#define DescribeSiCode(x, y) DescribeSiCode(alloca(17), x, y)
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#define DescribeSleepFlags(x) DescribeSleepFlags(alloca(16), x)
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#define DescribeSockLevel(x) DescribeSockLevel(alloca(12), x)
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#define DescribeSockOptname(x, y) DescribeSockOptname(alloca(32), x, y)
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#define DescribeSocketFamily(x) DescribeSocketFamily(alloca(12), x)
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#define DescribeSocketProtocol(x) DescribeSocketProtocol(alloca(12), x)
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#define DescribeSocketType(x) DescribeSocketType(alloca(64), x)
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#define DescribeStdioState(x) DescribeStdioState(alloca(12), x)
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#define DescribeStringList(x) DescribeStringList(alloca(300), x)
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#define DescribeWhence(x) DescribeWhence(alloca(12), x)
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#define DescribeWhichPrio(x) DescribeWhichPrio(alloca(12), x)
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_INTRIN_DESCRIBEFLAGS_INTERNAL_H_ */
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