aboutsummaryrefslogtreecommitdiffstats
path: root/compat
diff options
context:
space:
mode:
Diffstat (limited to 'compat')
-rw-r--r--compat/access.c31
-rw-r--r--compat/fileno.c2
-rw-r--r--compat/mingw.c180
-rw-r--r--compat/mingw.h8
-rw-r--r--compat/win32/trace2_win32_process_info.c50
5 files changed, 84 insertions, 187 deletions
diff --git a/compat/access.c b/compat/access.c
new file mode 100644
index 0000000000..19fda3e877
--- /dev/null
+++ b/compat/access.c
@@ -0,0 +1,31 @@
+#define COMPAT_CODE_ACCESS
+#include "../git-compat-util.h"
+
+/* Do the same thing access(2) does, but use the effective uid,
+ * and don't make the mistake of telling root that any file is
+ * executable. This version uses stat(2).
+ */
+int git_access(const char *path, int mode)
+{
+ struct stat st;
+
+ /* do not interfere a normal user */
+ if (geteuid())
+ return access(path, mode);
+
+ if (stat(path, &st) < 0)
+ return -1;
+
+ /* Root can read or write any file. */
+ if (!(mode & X_OK))
+ return 0;
+
+ /* Root can execute any file that has any one of the execute
+ * bits set.
+ */
+ if (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))
+ return 0;
+
+ errno = EACCES;
+ return -1;
+}
diff --git a/compat/fileno.c b/compat/fileno.c
index 7b105f4cd7..8e80ef335d 100644
--- a/compat/fileno.c
+++ b/compat/fileno.c
@@ -1,4 +1,4 @@
-#define COMPAT_CODE
+#define COMPAT_CODE_FILENO
#include "../git-compat-util.h"
int git_fileno(FILE *stream)
diff --git a/compat/mingw.c b/compat/mingw.c
index 6b04514cdc..9b6d2400e1 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1714,142 +1714,10 @@ int mingw_putenv(const char *namevalue)
return result ? 0 : -1;
}
-/*
- * Note, this isn't a complete replacement for getaddrinfo. It assumes
- * that service contains a numerical port, or that it is null. It
- * does a simple search using gethostbyname, and returns one IPv4 host
- * if one was found.
- */
-static int WSAAPI getaddrinfo_stub(const char *node, const char *service,
- const struct addrinfo *hints,
- struct addrinfo **res)
-{
- struct hostent *h = NULL;
- struct addrinfo *ai;
- struct sockaddr_in *sin;
-
- if (node) {
- h = gethostbyname(node);
- if (!h)
- return WSAGetLastError();
- }
-
- ai = xmalloc(sizeof(struct addrinfo));
- *res = ai;
- ai->ai_flags = 0;
- ai->ai_family = AF_INET;
- ai->ai_socktype = hints ? hints->ai_socktype : 0;
- switch (ai->ai_socktype) {
- case SOCK_STREAM:
- ai->ai_protocol = IPPROTO_TCP;
- break;
- case SOCK_DGRAM:
- ai->ai_protocol = IPPROTO_UDP;
- break;
- default:
- ai->ai_protocol = 0;
- break;
- }
- ai->ai_addrlen = sizeof(struct sockaddr_in);
- if (hints && (hints->ai_flags & AI_CANONNAME))
- ai->ai_canonname = h ? xstrdup(h->h_name) : NULL;
- else
- ai->ai_canonname = NULL;
-
- sin = xcalloc(1, ai->ai_addrlen);
- sin->sin_family = AF_INET;
- /* Note: getaddrinfo is supposed to allow service to be a string,
- * which should be looked up using getservbyname. This is
- * currently not implemented */
- if (service)
- sin->sin_port = htons(atoi(service));
- if (h)
- sin->sin_addr = *(struct in_addr *)h->h_addr;
- else if (hints && (hints->ai_flags & AI_PASSIVE))
- sin->sin_addr.s_addr = INADDR_ANY;
- else
- sin->sin_addr.s_addr = INADDR_LOOPBACK;
- ai->ai_addr = (struct sockaddr *)sin;
- ai->ai_next = NULL;
- return 0;
-}
-
-static void WSAAPI freeaddrinfo_stub(struct addrinfo *res)
-{
- free(res->ai_canonname);
- free(res->ai_addr);
- free(res);
-}
-
-static int WSAAPI getnameinfo_stub(const struct sockaddr *sa, socklen_t salen,
- char *host, DWORD hostlen,
- char *serv, DWORD servlen, int flags)
-{
- const struct sockaddr_in *sin = (const struct sockaddr_in *)sa;
- if (sa->sa_family != AF_INET)
- return EAI_FAMILY;
- if (!host && !serv)
- return EAI_NONAME;
-
- if (host && hostlen > 0) {
- struct hostent *ent = NULL;
- if (!(flags & NI_NUMERICHOST))
- ent = gethostbyaddr((const char *)&sin->sin_addr,
- sizeof(sin->sin_addr), AF_INET);
-
- if (ent)
- snprintf(host, hostlen, "%s", ent->h_name);
- else if (flags & NI_NAMEREQD)
- return EAI_NONAME;
- else
- snprintf(host, hostlen, "%s", inet_ntoa(sin->sin_addr));
- }
-
- if (serv && servlen > 0) {
- struct servent *ent = NULL;
- if (!(flags & NI_NUMERICSERV))
- ent = getservbyport(sin->sin_port,
- flags & NI_DGRAM ? "udp" : "tcp");
-
- if (ent)
- snprintf(serv, servlen, "%s", ent->s_name);
- else
- snprintf(serv, servlen, "%d", ntohs(sin->sin_port));
- }
-
- return 0;
-}
-
-static HMODULE ipv6_dll = NULL;
-static void (WSAAPI *ipv6_freeaddrinfo)(struct addrinfo *res);
-static int (WSAAPI *ipv6_getaddrinfo)(const char *node, const char *service,
- const struct addrinfo *hints,
- struct addrinfo **res);
-static int (WSAAPI *ipv6_getnameinfo)(const struct sockaddr *sa, socklen_t salen,
- char *host, DWORD hostlen,
- char *serv, DWORD servlen, int flags);
-/*
- * gai_strerror is an inline function in the ws2tcpip.h header, so we
- * don't need to try to load that one dynamically.
- */
-
-static void socket_cleanup(void)
-{
- WSACleanup();
- if (ipv6_dll)
- FreeLibrary(ipv6_dll);
- ipv6_dll = NULL;
- ipv6_freeaddrinfo = freeaddrinfo_stub;
- ipv6_getaddrinfo = getaddrinfo_stub;
- ipv6_getnameinfo = getnameinfo_stub;
-}
-
static void ensure_socket_initialization(void)
{
WSADATA wsa;
static int initialized = 0;
- const char *libraries[] = { "ws2_32.dll", "wship6.dll", NULL };
- const char **name;
if (initialized)
return;
@@ -1858,35 +1726,7 @@ static void ensure_socket_initialization(void)
die("unable to initialize winsock subsystem, error %d",
WSAGetLastError());
- for (name = libraries; *name; name++) {
- ipv6_dll = LoadLibraryExA(*name, NULL,
- LOAD_LIBRARY_SEARCH_SYSTEM32);
- if (!ipv6_dll)
- continue;
-
- ipv6_freeaddrinfo = (void (WSAAPI *)(struct addrinfo *))
- GetProcAddress(ipv6_dll, "freeaddrinfo");
- ipv6_getaddrinfo = (int (WSAAPI *)(const char *, const char *,
- const struct addrinfo *,
- struct addrinfo **))
- GetProcAddress(ipv6_dll, "getaddrinfo");
- ipv6_getnameinfo = (int (WSAAPI *)(const struct sockaddr *,
- socklen_t, char *, DWORD,
- char *, DWORD, int))
- GetProcAddress(ipv6_dll, "getnameinfo");
- if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) {
- FreeLibrary(ipv6_dll);
- ipv6_dll = NULL;
- } else
- break;
- }
- if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) {
- ipv6_freeaddrinfo = freeaddrinfo_stub;
- ipv6_getaddrinfo = getaddrinfo_stub;
- ipv6_getnameinfo = getnameinfo_stub;
- }
-
- atexit(socket_cleanup);
+ atexit((void(*)(void)) WSACleanup);
initialized = 1;
}
@@ -1904,24 +1744,12 @@ struct hostent *mingw_gethostbyname(const char *host)
return gethostbyname(host);
}
-void mingw_freeaddrinfo(struct addrinfo *res)
-{
- ipv6_freeaddrinfo(res);
-}
-
+#undef getaddrinfo
int mingw_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res)
{
ensure_socket_initialization();
- return ipv6_getaddrinfo(node, service, hints, res);
-}
-
-int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
- char *host, DWORD hostlen, char *serv, DWORD servlen,
- int flags)
-{
- ensure_socket_initialization();
- return ipv6_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+ return getaddrinfo(node, service, hints, res);
}
int mingw_socket(int domain, int type, int protocol)
@@ -2569,6 +2397,8 @@ void mingw_startup(void)
wchar_t **wenv, **wargv;
_startupinfo si;
+ trace2_initialize_clock();
+
maybe_redirect_std_handles();
/* get wide char arguments and environment */
diff --git a/compat/mingw.h b/compat/mingw.h
index 4d73f8aa9d..593bdbffe6 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -295,18 +295,10 @@ int mingw_gethostname(char *host, int namelen);
struct hostent *mingw_gethostbyname(const char *host);
#define gethostbyname mingw_gethostbyname
-void mingw_freeaddrinfo(struct addrinfo *res);
-#define freeaddrinfo mingw_freeaddrinfo
-
int mingw_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
#define getaddrinfo mingw_getaddrinfo
-int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
- char *host, DWORD hostlen, char *serv, DWORD servlen,
- int flags);
-#define getnameinfo mingw_getnameinfo
-
int mingw_socket(int domain, int type, int protocol);
#define socket mingw_socket
diff --git a/compat/win32/trace2_win32_process_info.c b/compat/win32/trace2_win32_process_info.c
index 52bd62034b..8ccbd1c2c6 100644
--- a/compat/win32/trace2_win32_process_info.c
+++ b/compat/win32/trace2_win32_process_info.c
@@ -1,5 +1,6 @@
#include "../../cache.h"
#include "../../json-writer.h"
+#include "lazyload.h"
#include <Psapi.h>
#include <tlHelp32.h>
@@ -137,11 +138,54 @@ static void get_is_being_debugged(void)
"windows/debugger_present", 1);
}
-void trace2_collect_process_info(void)
+/*
+ * Emit JSON data with the peak memory usage of the current process.
+ */
+static void get_peak_memory_info(void)
+{
+ DECLARE_PROC_ADDR(psapi.dll, BOOL, GetProcessMemoryInfo, HANDLE,
+ PPROCESS_MEMORY_COUNTERS, DWORD);
+
+ if (INIT_PROC_ADDR(GetProcessMemoryInfo)) {
+ PROCESS_MEMORY_COUNTERS pmc;
+
+ if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc,
+ sizeof(pmc))) {
+ struct json_writer jw = JSON_WRITER_INIT;
+
+ jw_object_begin(&jw, 0);
+
+#define KV(kv) #kv, (intmax_t)pmc.kv
+
+ jw_object_intmax(&jw, KV(PageFaultCount));
+ jw_object_intmax(&jw, KV(PeakWorkingSetSize));
+ jw_object_intmax(&jw, KV(PeakPagefileUsage));
+
+ jw_end(&jw);
+
+ trace2_data_json("process", the_repository,
+ "windows/memory", &jw);
+ jw_release(&jw);
+ }
+ }
+}
+
+void trace2_collect_process_info(enum trace2_process_info_reason reason)
{
if (!trace2_is_enabled())
return;
- get_is_being_debugged();
- get_ancestry();
+ switch (reason) {
+ case TRACE2_PROCESS_INFO_STARTUP:
+ get_is_being_debugged();
+ get_ancestry();
+ return;
+
+ case TRACE2_PROCESS_INFO_EXIT:
+ get_peak_memory_info();
+ return;
+
+ default:
+ BUG("trace2_collect_process_info: unknown reason '%d'", reason);
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-03 05:50:19 +0000