Open System Services Porting Guide (G06.24+, H06.03+)
Table Of Contents
- What’s New in This Manual
- About This Manual
- 1 Introduction to Porting
- 2 The Development Environment
- 3 Useful Porting Tools
- 4 Interoperating Between User Environments
- Purpose of Interoperability
- The OSS User Environment
- OSS Commands for the Guardian User
- Guardian Commands for the UNIX User
- OSS Pathname and Guardian Filename Conversions
- Running the OSS Shell and Commands From TACL
- Running Guardian Commands From the OSS Shell
- Running OSS Processes With Guardian Attributes
- Using OSS Commands to Manage Guardian Objects
- 5 Interoperating Between Programming Environments
- 6 OSS Porting Considerations
- 7 Porting UNIX Applications to the OSS Environment
- 8 Migrating Guardian Applications to the OSS Environment
- General Migration Guidelines
- C Compiler Issues for Guardian Programs
- Using New and Extended Guardian Procedures
- Using OSS Functions in a Guardian Program
- Interoperating With OSS Programs
- Starting an OSS Program From the Guardian Environment
- C Compiler Considerations for OSS Programs
- Porting a Guardian Program to the OSS Environment
- How Arguments Are Passed to the C or C++ Program
- Differences in the Two Run-Time Environments
- Which Run-Time Routines Are Available
- Use of Common Run-Time Environment (CRE) Functions
- Replacing Guardian Procedure Calls With Equivalent OSS Functions
- Which IPC Mechanisms Can Be Used
- Interactions Between Guardian and OSS Functions
- 9 Porting From Specific UNIX Systems
- 10 Native Migration Overview
- 11 Porting or Migrating Sockets Applications
- 12 Porting Threaded Applications
- A Equivalent OSS and UNIX Commands for Guardian Users
- B Equivalent Guardian Commands for OSS and UNIX Users
- C Equivalent Inspect Debugging Commands for dbx Commands
- D Equivalent Native Inspect Debugging Commands for dbx Commands
- E Standard POSIX Threads Functions: Differences Between the Previous and Current Standards
- Glossary
- Index
Standard POSIX Threads Functions: Differences
Between the Previous and Current Standards
Open System Services Porting Guide—520573-006
E-5
Changed Thread Functions
Table E-3 lists the functions that are new in Standard POSIX Threads.
void pthread_lock_
global_np();
int pthread_lock_global_np (void);
int pthread_mutex_init(
pthread_mutex_t
*mutex,
pthread_mutexattr_t
attr);
int pthread_mutex_init(
pthread_mutex_t *mutex,
const pthread_mutexattr_t *attr);
int
pthread_attr_
setinheritsched(
pthread_attr_t *attr,
int inherit);
int pthread_attr_setinheritsched(
pthread_attr_t *attr,
int inheritsched);
Table E-3. New Thread Functions
Function Description
pthread_atfork()
Declares fork handler routines to be called when the calling
thread's process forks a child process.
pthread_attr_
getdetachstate()
Obtains the detachstate attribute of the specified thread
attributes object.
pthread_attr_
setdetachstate()
Changes the detachstate attribute in the specified thread
attributes object.
pthread_key_
delete()
Deletes a thread-specific data key.
pthread_kill()
Delivers a signal to a specified thread.
pthread_sigmask()
Examines or changes the current thread's signal mask.
Table E-2. Thread Functions With Changed Parameters (page 2 of 2)
Syntax of Draft 4 Thread
Function Syntax of Standard POSIX Threads Function