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-rw-r--r--src/common/compat.h69
1 files changed, 30 insertions, 39 deletions
diff --git a/src/common/compat.h b/src/common/compat.h
index 4e614c0580..454a516968 100644
--- a/src/common/compat.h
+++ b/src/common/compat.h
@@ -1,6 +1,6 @@
/* Copyright (c) 2003-2004, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2013, The Tor Project, Inc. */
+ * Copyright (c) 2007-2014, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_COMPAT_H
@@ -56,21 +56,6 @@
#include <stdio.h>
#include <errno.h>
-#if defined (WINCE)
-#include <fcntl.h>
-#include <io.h>
-#include <math.h>
-#include <projects.h>
-/* this is not exported as W .... */
-#define SHGetPathFromIDListW SHGetPathFromIDList
-/* wcecompat has vasprintf */
-#define HAVE_VASPRINTF
-/* no service here */
-#ifdef NT_SERVICE
-#undef NT_SERVICE
-#endif
-#endif // WINCE
-
#ifndef NULL_REP_IS_ZERO_BYTES
#error "It seems your platform does not represent NULL as zero. We can't cope."
#endif
@@ -218,6 +203,15 @@ extern INLINE double U64_TO_DBL(uint64_t x) {
#define STMT_END } while (0)
#endif
+/* Some tools (like coccinelle) don't like to see operators as macro
+ * arguments. */
+#define OP_LT <
+#define OP_GT >
+#define OP_GE >=
+#define OP_LE <=
+#define OP_EQ ==
+#define OP_NE !=
+
/* ===== String compatibility */
#ifdef _WIN32
/* Windows names string functions differently from most other platforms. */
@@ -423,6 +417,7 @@ void tor_lockfile_unlock(tor_lockfile_t *lockfile);
off_t tor_fd_getpos(int fd);
int tor_fd_setpos(int fd, off_t pos);
int tor_fd_seekend(int fd);
+int tor_ftruncate(int fd);
#ifdef _WIN32
#define PATH_SEPARATOR "\\"
@@ -577,17 +572,18 @@ const char *tor_socket_strerror(int e);
#else
#define SOCK_ERRNO(e) e
#if EAGAIN == EWOULDBLOCK
-#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN)
+/* || 0 is for -Wparentheses-equality (-Wall?) appeasement under clang */
+#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN || 0)
#else
#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN || (e) == EWOULDBLOCK)
#endif
-#define ERRNO_IS_EINPROGRESS(e) ((e) == EINPROGRESS)
-#define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == EINPROGRESS)
+#define ERRNO_IS_EINPROGRESS(e) ((e) == EINPROGRESS || 0)
+#define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == EINPROGRESS || 0)
#define ERRNO_IS_ACCEPT_EAGAIN(e) \
(ERRNO_IS_EAGAIN(e) || (e) == ECONNABORTED)
#define ERRNO_IS_ACCEPT_RESOURCE_LIMIT(e) \
((e) == EMFILE || (e) == ENFILE || (e) == ENOBUFS || (e) == ENOMEM)
-#define ERRNO_IS_EADDRINUSE(e) ((e) == EADDRINUSE)
+#define ERRNO_IS_EADDRINUSE(e) (((e) == EADDRINUSE) || 0)
#define tor_socket_errno(sock) (errno)
#define tor_socket_strerror(e) strerror(e)
#endif
@@ -634,23 +630,27 @@ int switch_id(const char *user);
char *get_user_homedir(const char *username);
#endif
+#ifndef _WIN32
+const struct passwd *tor_getpwnam(const char *username);
+const struct passwd *tor_getpwuid(uid_t uid);
+#endif
+
int get_parent_directory(char *fname);
char *make_path_absolute(char *fname);
char **get_environment(void);
+int get_total_system_memory(size_t *mem_out);
+
int spawn_func(void (*func)(void *), void *data);
void spawn_exit(void) ATTR_NORETURN;
-#if defined(ENABLE_THREADS) && defined(_WIN32)
+#if defined(_WIN32)
#define USE_WIN32_THREADS
-#define TOR_IS_MULTITHREADED 1
-#elif (defined(ENABLE_THREADS) && defined(HAVE_PTHREAD_H) && \
- defined(HAVE_PTHREAD_CREATE))
+#elif defined(HAVE_PTHREAD_H) && defined(HAVE_PTHREAD_CREATE)
#define USE_PTHREADS
-#define TOR_IS_MULTITHREADED 1
#else
-#undef TOR_IS_MULTITHREADED
+#error "No threading system was found"
#endif
int compute_num_cpus(void);
@@ -676,7 +676,6 @@ typedef struct tor_mutex_t {
int tor_mlockall(void);
-#ifdef TOR_IS_MULTITHREADED
tor_mutex_t *tor_mutex_new(void);
void tor_mutex_init(tor_mutex_t *m);
void tor_mutex_acquire(tor_mutex_t *m);
@@ -685,21 +684,10 @@ void tor_mutex_free(tor_mutex_t *m);
void tor_mutex_uninit(tor_mutex_t *m);
unsigned long tor_get_thread_id(void);
void tor_threads_init(void);
-#else
-#define tor_mutex_new() ((tor_mutex_t*)tor_malloc(sizeof(int)))
-#define tor_mutex_init(m) STMT_NIL
-#define tor_mutex_acquire(m) STMT_VOID(m)
-#define tor_mutex_release(m) STMT_NIL
-#define tor_mutex_free(m) STMT_BEGIN tor_free(m); STMT_END
-#define tor_mutex_uninit(m) STMT_NIL
-#define tor_get_thread_id() (1UL)
-#define tor_threads_init() STMT_NIL
-#endif
void set_main_thread(void);
int in_main_thread(void);
-#ifdef TOR_IS_MULTITHREADED
#if 0
typedef struct tor_cond_t tor_cond_t;
tor_cond_t *tor_cond_new(void);
@@ -708,7 +696,6 @@ int tor_cond_wait(tor_cond_t *cond, tor_mutex_t *mutex);
void tor_cond_signal_one(tor_cond_t *cond);
void tor_cond_signal_all(tor_cond_t *cond);
#endif
-#endif
/** Macros for MIN/MAX. Never use these when the arguments could have
* side-effects.
@@ -743,6 +730,10 @@ char *format_win32_error(DWORD err);
#endif
+#ifdef TOR_UNIT_TESTS
+void tor_sleep_msec(int msec);
+#endif
+
#ifdef COMPAT_PRIVATE
#if !defined(HAVE_SOCKETPAIR) || defined(_WIN32) || defined(TOR_UNIT_TESTS)
#define NEED_ERSATZ_SOCKETPAIR