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Windows/Win64/MSVC tweaks

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Silence warnings, fix broken MinGW64 definitions, etc.
This commit is contained in:
Howard Chu 2013-11-11 20:08:26 -08:00
parent eecbaa5942
commit f6d8dc4e76
1 changed files with 28 additions and 12 deletions
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40
libraries/liblmdb/mdb.c
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@ -37,10 +37,26 @@
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h>
#ifdef _WIN32
#include <windows.h>
/** getpid() returns int; MinGW defines pid_t but MinGW64 typedefs it
* as int64 which is wrong. MSVC doesn't define it at all, so just
* don't use it.
*/
#define MDB_PID_T int
#ifdef __GNUC__
# include <sys/param.h>
#else
# define LITTLE_ENDIAN 1234
# define BIG_ENDIAN 4321
# define BYTE_ORDER LITTLE_ENDIAN
# ifndef SSIZE_MAX
# define SSIZE_MAX INT_MAX
# endif
#endif
#else
#define MDB_PID_T pid_t
#include <sys/param.h>
#include <sys/uio.h>
#include <sys/mman.h>
#ifdef HAVE_SYS_FILE_H
@ -497,7 +513,7 @@ typedef struct MDB_rxbody {
*/
txnid_t mrb_txnid;
/** The process ID of the process owning this reader txn. */
pid_t mrb_pid;
MDB_PID_T mrb_pid;
/** The thread ID of the thread owning this txn. */
pthread_t mrb_tid;
} MDB_rxbody;
@ -1002,7 +1018,7 @@ struct MDB_env {
unsigned int me_numreaders; /**< max numreaders set by this env */
MDB_dbi me_numdbs; /**< number of DBs opened */
MDB_dbi me_maxdbs; /**< size of the DB table */
pid_t me_pid; /**< process ID of this env */
MDB_PID_T me_pid; /**< process ID of this env */
char *me_path; /**< path to the DB files */
char *me_map; /**< the memory map of the data file */
MDB_txninfo *me_txns; /**< the memory map of the lock file or NULL */
@ -2093,7 +2109,7 @@ enum Pidlock_op {
* lock on the lockfile, set at an offset equal to the pid.
*/
static int
mdb_reader_pid(MDB_env *env, enum Pidlock_op op, pid_t pid)
mdb_reader_pid(MDB_env *env, enum Pidlock_op op, MDB_PID_T pid)
{
#if !(MDB_PIDLOCK) /* Currently the same as defined(_WIN32) */
int ret = 0;
@ -2158,7 +2174,7 @@ mdb_txn_renew0(MDB_txn *txn)
if (r->mr_pid != env->me_pid || r->mr_txnid != (txnid_t)-1)
return MDB_BAD_RSLOT;
} else {
pid_t pid = env->me_pid;
MDB_PID_T pid = env->me_pid;
pthread_t tid = pthread_self();
if (!(env->me_flags & MDB_LIVE_READER)) {
@ -3545,7 +3561,7 @@ PIMAGE_TLS_CALLBACK mdb_tls_cbp __attribute__((section (".CRT$XLB"))) = mdb_tls_
#pragma comment(linker, "/INCLUDE:_tls_used")
#pragma comment(linker, "/INCLUDE:mdb_tls_cbp")
#pragma const_seg(".CRT$XLB")
extern const PIMAGE_TLS_CALLBACK mdb_tls_callback;
extern const PIMAGE_TLS_CALLBACK mdb_tls_cbp;
const PIMAGE_TLS_CALLBACK mdb_tls_cbp = mdb_tls_callback;
#pragma const_seg()
#else /* WIN32 */
@ -3809,7 +3825,7 @@ mdb_env_setup_locks(MDB_env *env, char *lpath, int mode, int *excl)
rsize = (env->me_maxreaders-1) * sizeof(MDB_reader) + sizeof(MDB_txninfo);
if (size < rsize && *excl > 0) {
#ifdef _WIN32
if (SetFilePointer(env->me_lfd, rsize, NULL, FILE_BEGIN) != rsize
if (SetFilePointer(env->me_lfd, rsize, NULL, FILE_BEGIN) != (DWORD)rsize
|| !SetEndOfFile(env->me_lfd))
goto fail_errno;
#else
@ -4137,7 +4153,7 @@ mdb_env_close0(MDB_env *env, int excl)
if (env->me_fd != INVALID_HANDLE_VALUE)
(void) close(env->me_fd);
if (env->me_txns) {
pid_t pid = env->me_pid;
MDB_PID_T pid = env->me_pid;
/* Clearing readers is done in this function because
* me_txkey with its destructor must be disabled first.
*/
@ -6830,7 +6846,7 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst)
flags = 0;
} else {
srcnode = NODEPTR(csrc->mc_pg[csrc->mc_top], csrc->mc_ki[csrc->mc_top]);
assert(!((long)srcnode&1));
assert(!((size_t)srcnode&1));
srcpg = NODEPGNO(srcnode);
flags = srcnode->mn_flags;
if (csrc->mc_ki[csrc->mc_top] == 0 && IS_BRANCH(csrc->mc_pg[csrc->mc_top])) {
@ -8290,7 +8306,7 @@ int mdb_reader_list(MDB_env *env, MDB_msg_func *func, void *ctx)
/** Insert pid into list if not already present.
* return -1 if already present.
*/
static int mdb_pid_insert(pid_t *ids, pid_t pid)
static int mdb_pid_insert(MDB_PID_T *ids, MDB_PID_T pid)
{
/* binary search of pid in list */
unsigned base = 0;
@ -8330,7 +8346,7 @@ int mdb_reader_check(MDB_env *env, int *dead)
{
unsigned int i, j, rdrs;
MDB_reader *mr;
pid_t *pids, pid;
MDB_PID_T *pids, pid;
int count = 0;
if (!env)
@ -8340,7 +8356,7 @@ int mdb_reader_check(MDB_env *env, int *dead)
if (!env->me_txns)
return MDB_SUCCESS;
rdrs = env->me_txns->mti_numreaders;
pids = malloc((rdrs+1) * sizeof(pid_t));
pids = malloc((rdrs+1) * sizeof(MDB_PID_T));
if (!pids)
return ENOMEM;
pids[0] = 0;