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echo: os2prog
to: Mike Bilow
from: Andrew Grillet
date: 1997-01-27 19:06:12
subject: DosRead blocking

Hi Mike,

-=> On 23 Jan 97  05:13:01 Mike Bilow said to Andrew Grillet <=-

 MB> Entering a critical section stops all other threads
 MB> in your process, but only in your process.  Other processes and system
 MB> issues such as interrupt handlers are unaffected.  Since the OS/2
 MB> scheduler depends upon the RTC, disabling interrupts would halt the
 MB> entire operating system itself. 

Well I did go to great lengths to avoid using it. (Actually, I don't find
semaphores all that painful - except they seem to have an evil effect
on PMD.)

Andrew



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