Recently, when I was reading a book, I saw that I usually encountered blocking when calling this interface. Is it blocking when multiple threads are opened?

os.popen

os.system
subprocess.Popen ()

Jun.16,2021

No. This is a call to the system command, and the blocking is to get the return result.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3e85e-2c413.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e85e-2c413.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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