Detect if USB disk is mounted in C application in Linux












1















I would like to check if USB disk is mounted in a C application. I know that in a script I can accomplish this via mount | grep /mnt (the mount point where udev mounts the USB drive) but I need to do this in a C application. Earlier I used to accomplish this using system("sh script.sh") but doing this is causing some serious issues as this code runs in a very time critical thread.






mount usb c real-time







share|improve this question




















  • 1





    you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

    – mosvy
    1 hour ago













  • Sorry. Added that this is required for a Linux application

    – OpenSourceEnthusiast
    1 hour ago






  • 1





    then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

    – mosvy
    1 hour ago













  • See also: stackoverflow.com/questions/9280759/…

    – J. Taylor
    1 hour ago
















1















I would like to check if USB disk is mounted in a C application. I know that in a script I can accomplish this via mount | grep /mnt (the mount point where udev mounts the USB drive) but I need to do this in a C application. Earlier I used to accomplish this using system("sh script.sh") but doing this is causing some serious issues as this code runs in a very time critical thread.






mount usb c real-time







share|improve this question




















  • 1





    you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

    – mosvy
    1 hour ago













  • Sorry. Added that this is required for a Linux application

    – OpenSourceEnthusiast
    1 hour ago






  • 1





    then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

    – mosvy
    1 hour ago













  • See also: stackoverflow.com/questions/9280759/…

    – J. Taylor
    1 hour ago














1












1








1


1






I would like to check if USB disk is mounted in a C application. I know that in a script I can accomplish this via mount | grep /mnt (the mount point where udev mounts the USB drive) but I need to do this in a C application. Earlier I used to accomplish this using system("sh script.sh") but doing this is causing some serious issues as this code runs in a very time critical thread.






mount usb c real-time







share|improve this question
















I would like to check if USB disk is mounted in a C application. I know that in a script I can accomplish this via mount | grep /mnt (the mount point where udev mounts the USB drive) but I need to do this in a C application. Earlier I used to accomplish this using system("sh script.sh") but doing this is causing some serious issues as this code runs in a very time critical thread.






mount usb c real-time




mount usb c real-time






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 7 mins ago









jsotola

1356




1356










asked 1 hour ago









OpenSourceEnthusiastOpenSourceEnthusiast

113




113








  • 1





    you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

    – mosvy
    1 hour ago













  • Sorry. Added that this is required for a Linux application

    – OpenSourceEnthusiast
    1 hour ago






  • 1





    then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

    – mosvy
    1 hour ago













  • See also: stackoverflow.com/questions/9280759/…

    – J. Taylor
    1 hour ago














  • 1





    you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

    – mosvy
    1 hour ago













  • Sorry. Added that this is required for a Linux application

    – OpenSourceEnthusiast
    1 hour ago






  • 1





    then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

    – mosvy
    1 hour ago













  • See also: stackoverflow.com/questions/9280759/…

    – J. Taylor
    1 hour ago








1




1





you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

– mosvy
1 hour ago







you're not telling what system you're using; on Linux you have all the info you need in the /proc/self/mountinfo file, which you can read with fgets/sscanf. see the procfs(5) manpage.

– mosvy
1 hour ago















Sorry. Added that this is required for a Linux application

– OpenSourceEnthusiast
1 hour ago





Sorry. Added that this is required for a Linux application

– OpenSourceEnthusiast
1 hour ago




1




1





then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

– mosvy
1 hour ago







then go on and read /proc/self/mountinfo -- that's what findmnt(8) is doing, too.

– mosvy
1 hour ago















See also: stackoverflow.com/questions/9280759/…

– J. Taylor
1 hour ago





See also: stackoverflow.com/questions/9280759/…

– J. Taylor
1 hour ago










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