Putsysctl() - VeriFone MX800 series Programmer's Manual

putSysctl()

Dynamically modifies the value of the kernel parameters in the /proc/sys
directories using the sysctl utility. The changes are valid until the terminal reboots.
Currently, users are limited to change only the /proc/sys/net/ipv4 kernel
parameters.
Prototype
int result = putSysctl(char *var, char *value, int vlen);
Parameters
var Points to a null terminated string containing the kernel parameter and
value setting, in the format "variable=value". Maximum length of the label
is 128 bytes.
Return Values
= 0 Success
< 0 An error has occurred:
EINVAL = Invalid parameter
ENOENT = Invalid kernel parameter
ENOBUFS = Internal message error
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M 800 S P
ERIES ROGRAMMERS
F S
ILE YSTEMS
putSysctl()
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