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-rw-r--r--configure.ac3
-rw-r--r--src/bitcoind.cpp23
-rw-r--r--src/init.cpp2
3 files changed, 12 insertions, 16 deletions
diff --git a/configure.ac b/configure.ac
index 97f44f269b..9ce10b7454 100644
--- a/configure.ac
+++ b/configure.ac
@@ -509,6 +509,9 @@ AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define
AC_CHECK_DECLS([strnlen])
+# Check for daemon(3), unrelated to --with-daemon (although used by it)
+AC_CHECK_DECLS([daemon])
+
AC_CHECK_DECLS([le16toh, le32toh, le64toh, htole16, htole32, htole64, be16toh, be32toh, be64toh, htobe16, htobe32, htobe64],,,
[#if HAVE_ENDIAN_H
#include <endian.h>
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index 322298d1b3..25d720e1e8 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -9,6 +9,7 @@
#include "chainparams.h"
#include "clientversion.h"
+#include "compat.h"
#include "rpc/server.h"
#include "init.h"
#include "noui.h"
@@ -127,29 +128,21 @@ bool AppInit(int argc, char* argv[])
fprintf(stderr, "Error: There is no RPC client functionality in bitcoind anymore. Use the bitcoin-cli utility instead.\n");
exit(1);
}
-#ifndef WIN32
if (GetBoolArg("-daemon", false))
{
+#if HAVE_DECL_DAEMON
fprintf(stdout, "Bitcoin server starting\n");
// Daemonize
- pid_t pid = fork();
- if (pid < 0)
- {
- fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
+ if (daemon(1, 0)) { // don't chdir (1), do close FDs (0)
+ fprintf(stderr, "Error: daemon() failed: %s\n", strerror(errno));
return false;
}
- if (pid > 0) // Parent process, pid is child process id
- {
- return true;
- }
- // Child process falls through to rest of initialization
-
- pid_t sid = setsid();
- if (sid < 0)
- fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
+#else
+ fprintf(stderr, "Error: -daemon is not supported on this operating system\n");
+ return false;
+#endif // HAVE_DECL_DAEMON
}
-#endif
SoftSetBoolArg("-server", true);
// Set this early so that parameter interactions go to console
diff --git a/src/init.cpp b/src/init.cpp
index cb8da06d64..cf92347952 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -324,7 +324,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME));
if (mode == HMM_BITCOIND)
{
-#ifndef WIN32
+#if HAVE_DECL_DAEMON
strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
#endif
}