1 files changed, 35 insertions, 0 deletions
diff --git a/src/libnetdata/popen/popen.h b/src/libnetdata/popen/popen.h
new file mode 100644
index 000000000..8f46abbc8
--- /dev/null
+++ b/src/libnetdata/popen/popen.h
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_POPEN_H
+#define NETDATA_POPEN_H 1
+
+#include "../os/waitid.h"
+int netdata_waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options);
+
+#include "../libnetdata.h"
+
+#define PIPE_READ 0
+#define PIPE_WRITE 1
+
+/* custom_popene_variadic_internal_dont_use_directly flag definitions */
+#define POPEN_FLAG_NONE        0
+#define POPEN_FLAG_CLOSE_FD    (1 << 0) // Close all file descriptors other than STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO
+
+// the flags to be used by default
+#define POPEN_FLAGS_DEFAULT (POPEN_FLAG_CLOSE_FD)
+
+// mypopen_raw is the interface to use instead of custom_popene_variadic_internal_dont_use_directly()
+// mypopen_raw will add the terminating NULL at the arguments list
+// we append the parameter 'command' twice - this is because the underlying call needs the command to execute and the argv[0] to pass to it
+#define netdata_popen_raw_default_flags_and_environment(pidptr, fpp_child_input, fpp_child_output, command, args...) netdata_popene_variadic_internal_dont_use_directly(pidptr, environ, POPEN_FLAGS_DEFAULT, fpp_child_input, fpp_child_output, command, command, ##args, NULL)
+#define netdata_popen_raw_default_flags(pidptr, env, fpp_child_input, fpp_child_output, command, args...) netdata_popene_variadic_internal_dont_use_directly(pidptr, env, POPEN_FLAGS_DEFAULT, fpp_child_input, fpp_child_output, command, command, ##args, NULL)
+#define netdata_popen_raw(pidptr, env, flags, fpp_child_input, fpp_child_output, command, args...) netdata_popene_variadic_internal_dont_use_directly(pidptr, env, flags, fpp_child_input, fpp_child_output, command, command, ##args, NULL)
+
+FILE *netdata_popen(const char *command, volatile pid_t *pidptr, FILE **fp_child_input);
+FILE *netdata_popene(const char *command, volatile pid_t *pidptr, char **env, FILE **fp_child_input);
+int netdata_popene_variadic_internal_dont_use_directly(volatile pid_t *pidptr, char **env, uint8_t flags, FILE **fpp_child_input, FILE **fpp_child_output, const char *command, ...);
+int netdata_pclose(FILE *fp_child_input, FILE *fp_child_output, pid_t pid);
+
+int netdata_spawn(const char *command, volatile pid_t *pidptr);
+
+#endif /* NETDATA_POPEN_H */