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authorLukas Larsson <[email protected]>2013-12-16 16:34:58 +0100
committerLukas Larsson <[email protected]>2014-02-24 15:16:04 +0100
commitaa80261396941ee63758d6b5965a7e075b79b4ee (patch)
tree06aa7dcd6218c572762a4c9efbba235df222c726 /erts/etc/common/run_erl_common.h
parentd6ead9a129fbe5a2df335a00e029a88a1f1849a2 (diff)
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erts: Refactor common parts out of run_erl and to_erl
This is in preperation for writing ose version of run_erl and to_erl
Diffstat (limited to 'erts/etc/common/run_erl_common.h')
-rw-r--r--erts/etc/common/run_erl_common.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/erts/etc/common/run_erl_common.h b/erts/etc/common/run_erl_common.h
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+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2013. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+/*
+ * Functions that are common to both OSE and unix implementations of run_erl
+ */
+#ifndef ERL_RUN_ERL_LOG_H
+#define ERL_RUN_ERL_LOG_H
+
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "run_erl_vsn.h"
+
+/* Log handling */
+int erts_run_erl_log_init(int run_daemon, char* logdir);
+int erts_run_erl_log_open(void);
+int erts_run_erl_log_close(void);
+int erts_run_erl_log_write(char *buff, size_t len);
+int erts_run_erl_log_activity(int timeout, time_t now, time_t last_activity);
+
+void erts_run_erl_log_status(const char *format,...);
+void erts_run_erl_log_error(int priority, int line, const char *format,...);
+
+int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename);
+int erts_run_erl_log_alive_minutes(void);
+int erts_run_erl_extract_ctrl_seq(char* buf, int len);
+
+/* File operations */
+ssize_t sf_read(int fd, void *buffer, size_t len);
+ssize_t sf_write(int fd, const void *buffer, size_t len);
+int sf_open(const char *path, int type, mode_t mode);
+int sf_close(int fd);
+int erts_run_erl_write_all(int fd, const char* buf, int len);
+char *simple_basename(char *path);
+
+#ifndef LOG_ERR
+#define LOG_ERR NULL
+#endif
+
+#define ERROR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,Format"\n")
+#define ERROR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1)
+#define ERROR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1,A2)
+
+#ifdef HAVE_STRERROR
+# define ADD_ERRNO(Format) "errno=%d '%s'\n"Format"\n",errno,strerror(errno)
+#else
+# define ADD_ERRNO(Format) "errno=%d\n"Format"\n",errno
+#endif
+#define ERRNO_ERR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format))
+#define ERRNO_ERR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1)
+#define ERRNO_ERR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1,A2)
+
+/* defined in run_common.c */
+extern int erts_run_erl_log_alive_minutes;
+
+#define RUN_ERL_USAGE \
+ "%s (pipe_name|pipe_dir/) log_dir \"command [parameters ...]\"" \
+ "\n\nDESCRIPTION:\n" \
+ "You may also set the environment variables RUN_ERL_LOG_GENERATIONS\n" \
+ "and RUN_ERL_LOG_MAXSIZE to the number of log files to use and the\n" \
+ "size of the log file when to switch to the next log file\n"
+
+#ifndef FILENAME_MAX
+#define FILENAME_MAX 250
+#endif
+
+#define FILENAME_BUFSIZ FILENAME_MAX
+
+#ifdef O_NONBLOCK
+# define DONT_BLOCK_PLEASE O_NONBLOCK
+#else
+# define DONT_BLOCK_PLEASE O_NDELAY
+# ifndef EAGAIN
+# define EAGAIN -3898734
+# endif
+#endif
+
+#endif