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mdbx: add mdbx_get_errno_checked().

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This commit is contained in:
Leo Yuriev
2017-05-15 12:08:04 +03:00
parent 533e01cc93
commit 00081298d6
3 changed files with 102 additions and 86 deletions
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78
src/osal.h
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@@ -307,6 +307,31 @@ static __inline void mdbx_invalidate_cache(void *addr, size_t nbytes) {
/*----------------------------------------------------------------------------*/
#ifndef mdbx_assert_fail
void mdbx_assert_fail(MDB_env *env, const char *msg, const char *func,
int line);
#endif /* mdbx_assert_fail */
#if __GLIBC_PREREQ(2, 1)
#define mdbx_asprintf asprintf
#else
int mdbx_asprintf(char **strp, const char *fmt, ...);
#endif
#ifdef _MSC_VER
#ifndef snprintf
#define snprintf(buffer, buffer_size, format, ...) \
_snprintf_s(buffer, buffer_size, _TRUNCATE, format, __VA_ARGS__)
#endif /* snprintf */
#ifndef vsnprintf
#define vsnprintf(buffer, buffer_size, format, args) \
_vsnprintf_s(buffer, buffer_size, _TRUNCATE, format, args)
#endif /* vsnprintf */
#endif /* _MSC_VER */
/*----------------------------------------------------------------------------*/
/* max bytes to write in one call */
#define MAX_WRITE UINT32_C(0x3fff0000)
@@ -331,6 +356,30 @@ static __inline char *mdbx_strdup(const char *str) {
#endif
}
static __inline int mdbx_get_errno(void) {
#if defined(_WIN32) || defined(_WIN64)
DWORD rc = GetLastError();
#else
int rc = errno;
#endif
return rc;
}
static __inline int __mdbx_get_errno_checked(const char *file, unsigned line) {
#if defined(_WIN32) || defined(_WIN64)
DWORD rc = GetLastError();
if (unlikely(rc == MDBX_EINVAL))
mdbx_assert_fail(nullptr, "unexpected ERROR_INVALID_PARAMETER", file, line);
#else
int rc = errno;
if (unlikely(rc == MDBX_EINVAL))
mdbx_assert_fail(nullptr, "unexpected EINVAL", file, line);
#endif
return rc;
}
#define mdbx_get_errno_checked() __mdbx_get_errno_checked(__FILE__, __LINE__)
int mdbx_memalign_alloc(size_t alignment, size_t bytes, void **result);
void mdbx_memalign_free(void *ptr);
@@ -387,19 +436,6 @@ void mdbx_osal_jitter(bool tiny);
/*----------------------------------------------------------------------------*/
#ifndef mdbx_assert_fail
void mdbx_assert_fail(MDB_env *env, const char *msg, const char *func,
int line);
#endif /* mdbx_assert_fail */
#if __GLIBC_PREREQ(2, 1)
#define mdbx_asprintf asprintf
#else
int mdbx_asprintf(char **strp, const char *fmt, ...);
#endif
/*----------------------------------------------------------------------------*/
#if defined(_WIN32) || defined(_WIN64)
#undef MDBX_OSAL_LOCK
#define MDBX_OSAL_LOCK_SIGN MDBX_TETRAD('f', 'l', 'c', 'k')
@@ -433,20 +469,6 @@ int mdbx_rpid_check(MDB_env *env, mdbx_pid_t pid);
/*----------------------------------------------------------------------------*/
#ifdef _MSC_VER
#ifndef snprintf
#define snprintf(buffer, buffer_size, format, ...) \
_snprintf_s(buffer, buffer_size, _TRUNCATE, format, __VA_ARGS__)
#endif /* snprintf */
#ifndef vsnprintf
#define vsnprintf(buffer, buffer_size, format, args) \
_vsnprintf_s(buffer, buffer_size, _TRUNCATE, format, args)
#endif /* vsnprintf */
#endif /* _MSC_VER */
/*----------------------------------------------------------------------------*/
#if (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__) && \
(__GNUC_PREREQ(4, 9) || __CLANG_PREREQ(3, 8) || \
!(defined(__GNUC__) || defined(__clang__)))
@@ -460,6 +482,8 @@ int mdbx_rpid_check(MDB_env *env, mdbx_pid_t pid);
'size_t' to 'LONGLONG' */
#pragma warning(disable : 4244) /* 'return': conversion from 'LONGLONG' to \
'std::size_t', possible loss of data */
#pragma warning(disable : 4267) /* 'function': conversion from 'size_t' to \
'long', possible loss of data */
#pragma intrinsic(_InterlockedExchangeAdd, _InterlockedCompareExchange)
#pragma intrinsic(_InterlockedExchangeAdd64, _InterlockedCompareExchange64)
#elif defined(__APPLE__)