Difference between revisions of "Example pthread hello"
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| − | {{todo| | + | #REDIRECT [[Example_pthread_demo]] |
| + | {{todo|SEOKWREV (12.11.13-12:52->JG+)(01.03.14-17:40->KY+);(01.03.14-18:05->MD+);(04.07.14-09:55->BS+);(04.10.14-11:05->BS+)|Jgreene|project=oe 4,oe 5,jg,md,ky,SEOKWREV,bs}} | ||
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| + | |title=pthread hello | ||
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| + | |keywords=pthread,pthread example,hello example | ||
| + | |description=This is a guide to the <code>pthread_hello</code> C example project included in the EMAC OE SDK. | ||
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This is a guide to the <code>pthread_hello</code> C example project included in the EMAC OE SDK. | This is a guide to the <code>pthread_hello</code> C example project included in the EMAC OE SDK. | ||
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The term ''pthread'' refers to [http://en.wikipedia.org/wiki/PThread POSIX Threads], a [http://en.wikipedia.org/wiki/POSIX POSIX] standard for threads. | The term ''pthread'' refers to [http://en.wikipedia.org/wiki/PThread POSIX Threads], a [http://en.wikipedia.org/wiki/POSIX POSIX] standard for threads. | ||
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| + | The <code>pthread_hello</code> project builds one executable: <code>p_hello</code>. | ||
== Opening, Building and Uploading the Project Files == | == Opening, Building and Uploading the Project Files == | ||
| − | + | For information on opening the project from within Eclipse, please see [[Importing the EMAC OE SDK Projects with Eclipse]]. Then, follow [[Using the EMAC OE SDK Projects with Eclipse]] for information on how to build, upload and execute the example. | |
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| − | + | Alternatively, the <code>Makefile</code> can be used with the <code>make</code> command from the commandline to build and upload the example. For more information on this method, please see [[Using EMAC OE SDK Example Projects]]. | |
==Usage and Behavior== | ==Usage and Behavior== | ||
Latest revision as of 10:55, 25 September 2020
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This is a guide to the pthread_hello C example project included in the EMAC OE SDK.
This is a simple pthreads example application. A number of pthread nodes are created and each reports its existence by printing a hello message to the console.
The term pthread refers to POSIX Threads, a POSIX standard for threads.
The pthread_hello project builds one executable: p_hello.
Contents
Opening, Building and Uploading the Project Files
For information on opening the project from within Eclipse, please see Importing the EMAC OE SDK Projects with Eclipse. Then, follow Using the EMAC OE SDK Projects with Eclipse for information on how to build, upload and execute the example.
Alternatively, the Makefile can be used with the make command from the commandline to build and upload the example. For more information on this method, please see Using EMAC OE SDK Example Projects.
Usage and Behavior
Hardware Requirements
The pthread_hello C example project has no special hardware requirements. It should run just fine on any system for which the project files can be successfully compiled.
Using pthread_hello
./p_hello n
where n is number of threads
Usage Example
root@PPCE7:/tmp# ./p_hello 3
Hello from node 0
Hello from node 2
Hello from node 1
Summary
The pthread_hello C example project demonstrates how to use pthreads. For another example of pthread usage see example pthread demo.
