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Sleep: Difference between revisions
→{{header|COBOL}}: added CONTINUE AFTER from COBOL 2023
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imported>Acediast (→{{header|COBOL}}: added CONTINUE AFTER from COBOL 2023) |
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=={{header|COBOL}}==
COBOL 2023 introduced the <code>AFTER</code> phrase of the <code>CONTINUE</code> statement to specify a time period in seconds for which execution will be suspended, which.
There are two methods for putting the program to sleep, both requiring unofficial extensions.▼
{{works with|GnuCOBOL}}
<syntaxhighlight lang="cobol"> IDENTIFICATION DIVISION.
PROGRAM-ID. Sleep-In-Seconds.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 Seconds-To-Sleep USAGE IS FLOAT-LONG.
PROCEDURE DIVISION.
ACCEPT Seconds-To-Sleep
DISPLAY "Sleeping..."
CONTINUE AFTER Seconds-To-Sleep SECONDS
GOBACK.▼
▲
The first expects the amount of time to be in seconds.
{{works with|ACUCOBOL-GT}}
{{works with|
<syntaxhighlight lang="cobol"> IDENTIFICATION DIVISION.
PROGRAM-ID. Sleep-In-Seconds.
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DATA DIVISION.
WORKING-STORAGE SECTION.
01 Seconds-To-Sleep USAGE IS COMP-2.
*> Note: COMP-2, while supported on most implementations, is
*> non-standard. FLOAT-SHORT is the proper USAGE for Native
*> IEEE 754 Binary64 Floating-point data items.
PROCEDURE DIVISION.
ACCEPT Seconds-To-Sleep
DISPLAY "Sleeping..."
CALL "C$SLEEP" USING BY CONTENT Seconds-To-Sleep
DISPLAY "Awake!"
GOBACK.
▲ GOBACK
▲ .</syntaxhighlight>
While the second expects the time to be in nanoseconds. Note: Windows systems can only sleep to the nearest millisecond.
{{works with|
<syntaxhighlight lang="cobol"> IDENTIFICATION DIVISION.
PROGRAM-ID. Sleep-In-Nanoseconds.
OPTIONS.
DEFAULT ROUNDED MODE IS NEAREST-AWAY-FROM-ZERO.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 Seconds-To-Sleep USAGE
01 Nanoseconds-To-Sleep USAGE
01 Nanoseconds-Per-Second CONSTANT AS 1000000000.
PROCEDURE DIVISION.
ACCEPT Seconds-To-Sleep
END-COMPUTE
DISPLAY "Sleeping..."
CALL "CBL_OC_NANOSLEEP"
USING BY CONTENT Nanoseconds-To-Sleep
END-CALL
DISPLAY "Awake!"
GOBACK.
END PROGRAM Sleep-In-Nanoseconds.</syntaxhighlight>
▲ GOBACK
▲ .</syntaxhighlight>
=={{header|Common Lisp}}==
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